what term refers to a barrierr such as a plastic -backed table cover that does not allow fro passage of liguid

Statement A is NOT accurate because soil organic matter (SOM) does provide plant nutrients.

Soil organic matter (SOM) is a crucial component of healthy soils and plays a significant role in supporting plant growth and soil fertility.

It is composed of decomposed plant and animal materials, including dead plant roots, leaves, and other organic residues.

Statement A is inaccurate because SOM does provide plant nutrients. As organic matter decomposes, it releases essential nutrients such as nitrogen, phosphorus, potassium, and micronutrients into the soil.

These nutrients are then made available for plant uptake and utilization, contributing to plant growth and development.

On the other hand, statements B, C, and D are accurate regarding the benefits of SOM. Statement B correctly states that SOM increases the soil's nutrient-holding capacity.

Organic matter acts as a reservoir for nutrients, preventing them from leaching away and making them more available for plant uptake.

Statement C is accurate as well, stating that SOM improves soil structure by increasing aggregation. Organic matter promotes the formation of soil aggregates, which are clusters of soil particles bound together.

This enhances soil porosity, aeration, and water movement, while also improving soil stability and resistance to erosion.

Finally, statement D is accurate by indicating that SOM increases plant-available water. Organic matter helps the soil retain moisture by enhancing its water-holding capacity.

It improves soil's ability to retain water and reduces water loss through evaporation and runoff, providing plants with a more consistent water supply.

Learn more about plant nutrients visit:

https://brainly.com/question/15201208

#SPJ11

The air temperature of large bodies of water changes less compared to nearby land due to water's high heat capacity, the mixing effect of water currents, and the energy exchange during evaporation and condensation processes.

The air temperature of a large body of water does not change as much as nearby land due to several factors:

1. High heat capacity: Water has a higher heat capacity than land, which means it can absorb and store more heat energy without a significant increase in temperature. Land, on the other hand, has a lower heat capacity and heats up and cools down more rapidly.

2. Mixing effect: Water bodies are constantly in motion due to currents, waves, and tides. This mixing effect distributes the heat energy throughout the water column, preventing large temperature variations. In contrast, land surfaces are stationary, and heat is not distributed as effectively.

3. Evaporation and condensation: Water has a high latent heat of vaporization, meaning it requires a significant amount of energy to change from liquid to vapor. As water evaporates from the surface of a body of water, it absorbs heat energy from the surroundings, thereby cooling the air above it. Conversely, when water vapor condenses, it releases heat, warming the air.

Learn more About condensation from the given link

https://brainly.com/question/30629848

#SPJ11

The typical wind direction in North Carolina after the passage of a warm front is (a) southwesterly. Warm fronts and cold fronts have an impact on wind direction and speed in North Carolina. The correct option is a.

They're particularly important for predicting weather, which is critical for any outdoor activity. A warm front occurs when warm air advances over cold air, typically causing clouds, light rain, and higher humidity in North Carolina.The passage of a warm front in North Carolina usually indicates a shift in wind direction. The warm air pushing into the area displaces the cold air, resulting in a change in wind direction and an increase in wind speed.

Wind direction and strength are both critical in predicting weather patterns and systems in North Carolina. When warm air enters the region, it is typically accompanied by southwesterly winds in North Carolina. The direction of wind depends on a variety of factors, including the intensity of the warm front and the area's topography. This is the most common direction of wind after the passage of a warm front in North Carolina.

To know more about wind visit :

https://brainly.com/question/23369600

#SPJ11

The aspect of independence from colonialism has affected the postcolonial history of countries from each group differently.

Let's explore the effect on one or more countries from each group:North and South AmericaIn North and South America, descendants of colonists themselves won independence from colonialism. This factor affected the postcolonial history of these countries in several ways. For example, the legacy of colonialism led to inequalities in social, economic, and political spheres, with the indigenous population often experiencing discrimination.The United States, for instance, gained independence from Britain in 1776.

However, it took several years for the country to resolve key issues such as slavery, women's rights, and political representation. As such, the country experienced numerous conflicts in the years after independence, including the Civil War. In addition, the United States, as well as other countries in North and South America, continued to experience neocolonialism from more powerful Western nations, leading to economic dependence and exploitation of natural resources. The legacy of colonialism led to a unique set of issues for these countries, including the dismantling of traditional structures and economies.

Additionally, many of these countries experienced internal conflicts and corruption following independence.In India, for instance, the Indian National Congress led by Mahatma Gandhi and other leaders successfully gained independence from Britain in 1947. However, the country was left to deal with the aftermath of centuries of colonial rule, including religious and ethnic tensions that led to the partition of India and Pakistan.

To know more about colonialism visit https://brainly.com/question/32013356
#SPJ11

The north-south strip formed by two lines six miles apart is called a tier. The tier is used in the rectangular survey system, which is also known as the Public Land Survey System.

Tiers are laid out perpendicular to the base line, which is the east-west line from which the system starts. A tier is defined as a line of townships that is separated by a specific distance and is used in surveying. Each tier of townships in the rectangular survey system is typically six miles apart and runs from east to west. Therefore, a tier is a strip of land that is six miles wide that runs north and south and lies between two successive township boundary lines. According to the question, the north-south strip formed by two lines six miles apart is called a tier.

To know more about Public Land Survey visit :

https://brainly.com/question/32304829

#SPJ11

Climate changes that impact freeze-thaw patterns are predicted to have a negative impact on the Maple syrup industry in Eastern Canada.

The theoretical approach that describes a suite of proposed technologies that aim to reflect sunlight back into space before it warms the earth's climate is Solar radiation management.
What is climate?
Climate refers to the long-term trends and patterns of atmospheric conditions, temperature, humidity, wind, and precipitation that have been observed in a particular area over a long period of time. Climate conditions can have significant impacts on various sectors, including agriculture, forestry, and tourism.What is Solar Radiation Management?Solar Radiation Management is the theoretical approach that describes a suite of proposed technologies that aim to reflect sunlight back into space before it warms the earth's climate.

This approach is aimed at addressing global warming and climate change by reducing the amount of solar energy that is absorbed by the earth. This can be done in several ways, such as by increasing the reflectivity of the earth's surface, by placing mirrors in space to reflect sunlight, or by injecting reflective particles into the atmosphere.What industries are affected by climate changes that impact freeze-thaw patterns?Climate changes that impact freeze-thaw patterns are predicted to have a negative impact on the Maple syrup industry in Eastern Canada.

Maple trees rely on a specific set of temperature and precipitation conditions to produce the sap that is used to make maple syrup. Warmer temperatures can cause the sap to flow earlier in the season, reducing the overall yield, while fluctuations in temperature can lead to freeze-thaw cycles that can damage the trees and reduce sap production. Therefore, the Maple syrup industry is very sensitive to changes in climate.

To know more about Climate changes
https://brainly.com/question/29099213
#SPJ11

Answer:

This zone is called a frontier.

Relocation diffusion refers to the spread of an idea, innovation, or cultural trait through the actual movement of individuals or groups from their original location to a new place.

This process involves the physical migration of the original adopters, also known as pioneers, from their point of origin or hearth to a different geographic area.

An example of relocation diffusion is the spread of the English language. During the colonization period, the British Empire established colonies around the world.

As British settlers moved to new territories, they brought their language with them, leading to the diffusion and adoption of English in those regions. This movement of people resulted in the relocation diffusion of the English language.

Another example is the spread of religious beliefs. When missionaries travel to foreign countries to spread their faith, they are engaging in relocation diffusion.

By physically relocating and living in a new place, they introduce their religious beliefs and practices to the local population, leading to the adoption of the religion in that area.

In summary, relocation diffusion involves the movement of individuals or groups from one location to another, leading to the spread of ideas, innovations, or cultural traits. This process can be observed in the spread of languages, religions, and other aspects of culture.

Read more about Cultural Traits at https://brainly.com/question/10820214

#SPJ11

Given information: The fencing for the southern boundary costs $4 per foot, and the fencing for the east and west sides costs $2 per foot. The budget for the project is $80.

Therefore,The length of the northern boundary is not given. So let us assume it as "x" feet. The southern boundary also has a length of "x" feet. Let the length of the eastern and western boundary be "y" feet.Let "A" be the area enclosed. Therefore,Area (A) = xy square feetThe cost for 1 foot of southern boundary is $4. Hence, the cost for "x" feet of southern boundary is $4x.The cost for 1 foot of eastern and western boundary is $2. Hence, the cost for "y" feet of eastern and western boundary is $4y. The total cost of fencing is given to be $80. Therefore,4x + 4y = 80x + y = 20y = 20 - xSo, the area enclosed is A = xy = x(20 - x)/4 = 5x - 0.25x²So, the area enclosed is A = xy = x(20 - x)/4 = 5x - 0.25x²To maximize the area, differentiate A with respect to x and equate it to 0dA/dx = 5 - 0.5x = 0Therefore, x = 10 feetSubstitute this value in equation (2)y = 20 - x = 20 - 10 = 10 feetTherefore, the largest area that can be enclosed is A = xy = 10 x 10 = 100 square feet. Answer: 100

to know more about budget visit
https://brainly.com/question/33628080

#SPJ11

Longitudinal research has identified the most effective predictor of whether a couple will break up or stay together. In the text, this predictor has been stated as the positive to negative interaction ratio, abbreviated as PNIR.

In a relationship, the PNIR ratio is the number of positive interactions, such as compliments, hugs, and thoughtful gestures, compared to the number of negative interactions, such as criticism, disagreements, and hurtful comments. Positive relationships have a high PNIR ratio, indicating that there are more positive interactions than negative ones. Negative relationships, on the other hand, have a lower PNIR ratio, indicating that there are more negative interactions than positive ones. Researchers have discovered that a 5:1 PNIR ratio is linked to a happy and stable relationship. A 1:1 ratio, on the other hand, indicates a poor relationship that is likely to fail.

Longitudinal studies that have tracked couples over time have found that the PNIR ratio is a better predictor of relationship success than factors such as conflict resolution skills, personality traits, or even whether or not couples fight. As a result, having a high PNIR ratio is critical to a successful long-term relationship.

To know more about Longitudinal research visit :

https://brainly.com/question/30669965

#SPJ11

Taking a rock that is high in silica and removing small and large flakes from it to shape in a structured way is known as flintknapping.

Flintknapping is the skill of shaping rocks, typically those high in silica such as flint or obsidian, by removing small and large flakes to create tools, weapons, or other structured objects.

Flintknapping has been practiced by humans for thousands of years and was an essential technique during prehistoric times. It involves striking a rock, known as the core, with a specialized tool, such as an antler or a stone hammer, to detach flakes from it. These flakes can be carefully shaped and sharpened to create blades, arrowheads, scrapers, and other tools.

The process requires a skilled craftsman to control the force, angle, and location of the strikes to produce desired shapes and sizes of flakes. Different techniques, such as pressure flaking or percussion flaking, can be used depending on the desired outcome and the properties of the rock being worked.

For such more question on silica:

https://brainly.com/question/32681414

#SPJ8

In a speech about the global economy, Rachel starts with a story about a local grocery store. She is establishing a context that can be related to her speech.

It is necessary for the author to align the theme of his speech with situations that are of interest to the public, through, for example, situations that the public can know or identify with, as done by Rachel, to create greater interest and connection through a demonstration of the local economy to be related to a subject like the global economy.

Therefore, the method used by Rachel to generate connection with her audience in her speech is positive and helps to retain attention and assimilation with the situation addressed.

Find out more about speech at:

https://brainly.com/question/25887038

#SPJ1

The statement "reference maps show simple themes of geographic properties, such as political boundaries, roads, and cities" is true because reference maps do indeed show simple themes of geographic properties.

These maps provide information about political boundaries, roads, and cities. Reference maps are designed to provide a general overview of a particular area, and they focus on displaying basic geographic features. For example, a reference map of a country might show the borders of different states, major highways, and the locations of major cities.

These maps are often used for general reference purposes and can be helpful for understanding the layout and features of a specific region. Overall, reference maps are a valuable tool for gaining a basic understanding of the geography of an area.

Learn more about reference maps https://brainly.com/question/32171791

#SPJ11

The final result of the classical theory of the geomorphic cycle concept is that landscapes are thought to evolve through a series of predictable stages over time.

It suggests that landforms undergo a series of predictable changes over time as they evolve from one form to another in response to changes in climate, tectonic activity, and other environmental factors. The concept of the geomorphic cycle first developed in the late nineteenth century when geographers and geologists began to study landforms on a large scale.

In this model, there are four stages in the geomorphic cycle: youth, maturity, old age, and rejuvenation.

Each stage is characterized by specific processes that shape the landscape. The youth stage is characterized by rapid erosion and steep slopes, while the maturity stage is marked by a more gentle landscape with well-developed drainage systems. In the old age stage, the landscape is flat and low-lying, and the rivers have meandered and changed course numerous times. Finally, in the rejuvenation stage, the landscape is uplifted, and the rivers begin to carve new channels, restarting the geomorphic cycle anew.

To know more about geomorphic cycle visit :

https://brainly.com/question/13021259

#SPJ11

The basal slip is usually more rapid than the internal plastic flow, resulting in the upper portion of the glacier flowing ahead of the lower portion. (Option C)

Basal slip refers to the movement of a glacier along its base, where the ice slides over the underlying terrain. It occurs due to the presence of meltwater at the glacier's base, which reduces friction and allows the ice to glide more easily. This process is facilitated by the pressure exerted by the weight of the ice above.

On the other hand, the internal plastic flow involves the deformation of ice crystals within the glacier. Under the immense pressure exerted by the overlying ice, the ice crystals slowly deform and flow, contributing to the glacier's movement.

Since basal slip occurs at the glacier's base and is facilitated by the presence of meltwater, it is generally faster than the internal plastic flow. The reduced friction at the base allows the upper portion of the glacier to move ahead of the lower portion. This difference in speed creates a shearing effect within the glacier, causing the ice to crack and crevasses to form. Therefore, the correct answer is option C) more rapid; ahead.

Know more about the glacier here:
https://brainly.com/question/28327702

#SPJ8

Mudflows are less likely to occur in arid regions than in wet climates.

What are mudflows?
Mudflows are rapid downhill movement of a mixture of soil, rock, and water. It happens when water rapidly accumulates in the ground, usually after heavy rainfall or rapid snowmelt, and it flows downhill as a thick, viscous liquid with enormous destructive power. Mudflows can be catastrophic events, capable of destroying buildings, bridges, and roadways, uprooting trees, and causing significant loss of life.

How do wet climates cause mudflows?
Wet climates are associated with heavy rainfall that saturates the soil. When soil gets saturated with water, it cannot hold any more water, causing the water to run off instead of being absorbed. The water runs downhill, accumulating and carrying soil, sand, and other debris with it, forming mudflows. Mudflows are more likely to occur in regions where there is a high probability of heavy rainfall, such as wet climates.

Why are mudflows less likely to occur in arid regions?
On the other hand, arid regions have lower chances of heavy rainfall. This is because these regions experience hot and dry climates, which means less rainfall and drier soil. In such environments, soil can absorb more water because it is not already saturated with water. This means that water is not likely to run off, forming mudflows. Mudflows require water-saturated soil and high rainfall which is not common in arid regions. Therefore, mudflows are less likely to occur in arid regions than in wet climates.

To know more about arid visit

https://brainly.com/question/32509284

#SPJ11

A red shirt appears red because it reflects and absorbs specific wavelengths of light. When white light, which contains all the colors of the visible spectrum, shines on an object, the object absorbs some colors and reflects others.

In the case of a red shirt, it absorbs all the colors of light except for red. Instead, it reflects red light, which our eyes perceive as the color red.

To understand this concept better, imagine shining a beam of white light through a prism. The light splits into its constituent colors, forming a rainbow. Each color in the rainbow corresponds to a specific wavelength of light.

When white light hits an object, like a red shirt, the object's molecules absorb some of these wavelengths while reflecting others. In the case of a red shirt, the molecules absorb all the colors except red, which is reflected back to our eyes, allowing us to see the shirt as red.

It's important to note that the perception of color depends on both the light source and the object's properties. For example, if you shine a blue light on a red shirt, the shirt may appear darker or even black because it doesn't reflect blue light. Similarly, if you shine a red light on a red shirt, it may appear brighter or more vibrant because it reflects the same color of light.

In summary, a red shirt appears red because it absorbs all colors of light except for red, which reflects back to our eyes. This selective reflection and absorption of light by objects determine the colors we perceive.

Read more about Wavelengths at https://brainly.com/question/7143261

#SPJ11

A red shirt is red because it absorbs all colors of light other than red and reflects back the red light, which we perceive. Cultural and psychological factors can also influence how we perceive colors.

A red shirt appears red because it absorbs all colors of light and reflects back only red light to our eyes. This phenomenon is a part of light absorption and reflection in physics. When light hits an object, the object either absorbs or reflects each color of light at different degrees. It's the colors that are reflected, not absorbed, that we see. So, in case of a red shirt, it's absorbing all the colors of the spectrum (like blue, green, yellow, etc.) and is reflecting only the red color, hence our eyes perceive it as red.

However it's worth noting that, the perception of color can get influenced by numerous factors, including the cultural and psychological associations that we link with certain colors.

https://brainly.com/question/35890808

#SPJ6

The heat from the Earth's core is transported to the surface through the processes of convection; this is the heat responsible for melting rocks.

What is the Earth's core?
The Earth's core is a central layer of the planet that is made up of two parts: the outer core and the inner core. The Earth's core is a ball of metal, primarily iron and nickel, that is about 1,500 miles in diameter and roughly the same size as Mars.Convection currents transport heat from the Earth's core to the surface.

As a result, the temperature of the magma in the mantle varies. Heat from the Earth's core is transported to the surface through the processes of convection. As a result, the mantle's molten rock (magma) is heated. This is the heat responsible for melting rocks.

To know more about core  visit
https://brainly.com/question/33632849
#SPJ11

The Permian-Triassic extinction event, known as the Great Dying, occurred around 252 million years ago. It caused the most severe mass extinction in Earth's history, wiping out 96% of marine species and 70% of terrestrial vertebrate species.

Geologic Time Period: Permian-Triassic Period

Timeframe: Approximately 252 million years ago

1. The major extinction event commonly referred to as the "Great Dying" occurred during the transition from the Permian to the Triassic period.

2. It is considered the most severe mass extinction event in Earth's history, wiping out an estimated 96% of marine species and 70% of terrestrial vertebrate species.

3. The event lasted for a relatively short period, estimated to be around 60,000 to 100,000 years.

4. The cause of the extinction is still debated, but it is likely attributed to a combination of factors, including intense volcanic activity, climate change, and anoxic (oxygen-depleted) conditions in the oceans.

5. The Siberian Traps, a massive volcanic province in present-day Russia, erupted for a prolonged period, releasing large amounts of volcanic gases and triggering global climate changes.

6. These changes led to ocean acidification, global warming, and a breakdown of ecosystems, ultimately resulting in the mass extinction event.

7. The recovery of life after the Permian-Triassic extinction took millions of years, and new species eventually emerged to fill ecological niches left vacant by the extinct organisms.

Learn more About Permian-Triassic from the given link

https://brainly.com/question/3882426

#SPJ11

A nonconformity consists of horizontal sedimentary rocks covering tectonically tilted or folded sedimentary rocks. This is a false statement.

A nonconformity is a type of unconformity, meaning it is a surface between two types of rocks that represent a gap in the geological record. A nonconformity is when sedimentary rocks are deposited on top of metamorphic or igneous rocks. It is characterized by horizontal sedimentary rocks overlying tectonically deformed rocks. So, nonconformity is not an instance of sedimentary rocks covering tectonically tilted or folded sedimentary rocks. Instead, it is the deposition of sedimentary rocks above non-sedimentary rock types.

A nonconformity is an unconformity that exists between sedimentary rock and metamorphic or igneous rock. When the existing rocks undergo uplift and erosion, and then new sediments settle on top, a nonconformity forms. It occurs due to a gap in the geological record, indicating a period of uplift, erosion, and non-deposition. Nonconformities are important in determining the history of geological development and events.

To know more about sedimentary rocks visit :

https://brainly.com/question/29771190

#SPJ11

The type of fault that would create this damage during an earthquake is a strike-slip fault. This is due to the horizontal motion of the fault. The damage caused by an earthquake, depending on the type of fault and its location, may vary.

Earthquakes are generated by a release of energy in the Earth's crust. It causes the crustal rocks to move and the ground to shake. Earthquakes can happen due to many reasons, like volcanic eruptions, tectonic activity, or landslides. The shaking from an earthquake can cause significant damage to infrastructure, houses, and property in affected areas. A strike-slip fault is a fault in which the two sides move in opposite horizontal directions.

Strike-slip faults are of two types, depending on the relative motion of the sides of the fault. A fault where the relative motion is horizontal and parallel to the strike of the fault surface is a “strike-slip fault,” and if the relative motion is primarily vertical, the fault is called a “dip-slip fault.” So, if the damage to the infrastructure and buildings is seen to be due to horizontal motion during an earthquake, then it can be concluded that it's a strike-slip fault.

To know more about earthquake visit :

https://brainly.com/question/31641696

#SPJ11

Plate tectonics is the scientific theory that explains how the earth's outer shell is formed of several plates that shift over the underlying mantle. The earth's surface is constantly changing due to the movement of these plates.

The idea of plate tectonics was first presented in the early 1900s by Alfred Wegener, but it was not widely accepted until several decades later. The fundamental principles of plate tectonics, such as the existence of plate boundaries, were developed by scientists in the mid-1900s. They discovered that earthquakes and volcanic activity occur mainly along the boundaries between plates and that the plates move because of the mantle's convection currents. They also discovered that the continents are not stationary but are slowly drifting apart due to the movement of the plates. These observations were used to develop the theory of plate tectonics.

Today, plate tectonics is widely accepted as the unifying theory of geology and is used to explain a wide range of geological phenomena, from earthquakes and volcanoes to the formation of mountains and the evolution of life on earth.

In conclusion, the foundational concepts of plate tectonics were not widely accepted when they were first introduced in 1915, but they have since become one of the most widely accepted theories in geology.

To know more about Plate tectonics visit :

https://brainly.com/question/16944828

#SPJ11

The versions of Shakespeare's plays can differ due to several factors. They are as follows: 1. Authorship. 2. Editing and Adaptation. 3. Performance and Interpretation. 4. Historical Context.

The versions of Shakespeare's plays can differ due to several factors. They are under-listed:

1. Authorship: Some plays attributed to Shakespeare may have been co-written or revised by other playwrights, such as Thomas Middleton. These collaborations can result in variations in the text and overall structure of the play.

2. Editing and Adaptation: Over time, different editors and adapters have made changes to the original texts of Shakespeare's plays. These changes can include cutting or rearranging scenes, altering language, or updating cultural references to make the plays more accessible to contemporary audiences.

3. Performance and Interpretation: Shakespeare's plays are meant to be performed, and each performance is a unique interpretation of the text. Directors, actors, and designers make artistic choices that can influence the staging, costumes, and overall presentation of the play. These choices can lead to variations in the way the play is experienced and understood.

4. Historical Context: Shakespeare's plays were written during a time of political and social change. Different productions may emphasize different aspects of the plays to reflect the concerns and interests of their specific historical moment. For example, a production in the 19th century may highlight themes of Victorian morality, while a modern production might focus on issues of race, gender, or globalization.

In conclusion, the versions of Shakespeare's plays can differ due to authorship, editing and adaptation, performance and interpretation, and historical context. These factors contribute to the richness and diversity of Shakespeare's work, allowing for new perspectives and insights with each new production.

Read more about Authorship at https://brainly.com/question/30162266

#SPJ11

The correct symbol to represent the strike and dip of the rock units on the map view in this image is the symbol "⊥."

The symbol "⊥" is commonly used in geology to represent the strike and dip of rock units on a map. The strike refers to the horizontal direction of a rock layer as it intersects with the Earth's surface. It is represented by a line on the map. The dip, on the other hand, represents the angle at which the rock layer is inclined from the horizontal plane. It is denoted by the symbol "⊥" placed on the strike line, with the straight line indicating the horizontal direction and the perpendicular line indicating the dip angle.

Using this symbol system, geologists can accurately depict the orientation and inclination of rock units on a map, providing valuable information about the geological structure and history of an area. By analyzing the strike and dip of rock layers, geologists can infer the tectonic forces that have shaped the landscape and gain insights into the formation and deformation of rock formations over time.

Learn more about : Symbol

brainly.com/question/11490241

#SPJ11

The fall equinox in the Northern Hemisphere occurs on September 21. It is one of the two days in the year when day and night are of almost equal length everywhere on earth. These are referred to as equinoxes, and they occur around March 20-21 and September 22-23 each year.

There are two equinoxes that take place in a year: fall equinox and spring equinox. Fall equinox, also called autumnal equinox, takes place around 22-23 September every year. In the Northern Hemisphere, fall equinox marks the end of summer and the beginning of fall season. During this time, the tilt of the Earth's axis is not toward or away from the sun, but it is perpendicular to it, which means that the sun shines equally on the northern and southern hemispheres. As a result, the length of day and night becomes almost equal.

The spring equinox, on the other hand, occurs around 20-21 March every year. In the Northern Hemisphere, it marks the end of winter and the start of spring. At this time, the Earth's axis is not tilted towards or away from the sun, so it appears as if the sun is directly above the equator. As a result, day and night are almost equal in length at all points on Earth.

To know more about equinox visit :

https://brainly.com/question/2657886

#SPJ11

A major criticism of the continental drift hypothesis was the apparent lack of a driving mechanism. This statement is true.

The Continental drift hypothesis was an earlier theory about how continents' positions on Earth's surface have changed over time. The idea that Earth's continents had once been joined and later separated was suggested by Alfred Wegener in 1912.

But it was generally rejected by the scientific community until the mid-20th century when it was widely accepted and later confirmed through the development of plate tectonics. Continental drift's criticism centered around the apparent absence of a driving force.

It was difficult to imagine how such a large force could move the continents around the planet's surface. Additionally, Wegener was unable to identify a driving mechanism, which also led to the theory's rejection.

To learn more about continental drift

https://brainly.com/question/974409

#SPJ11

Based on the data in the graph, the most likely environmental factor that led to the change in the harbor seal population size from 1980-1990 is A. Increased availability of food.

The graph shows an increase in the harbor seal population size from 1980 to 1990. This growth suggests a positive correlation between the population size and an environmental factor. Among the given options, an increased availability of food is the most likely factor as it directly supports the growth and survival of the seals. More food resources would enable the seals to thrive and reproduce, resulting in a larger population size.

The other options, such as decreased resistance to parasites, increased competition with carnivores, or decreased number of primary producers, would likely have negative effects on the population size rather than causing an increase as observed in the graph.

Option A holds true.

Learn more about environmental factor here: https://brainly.com/question/30185569

#SPJ11

The main sequence star with the highest mass is the B-type star. Option B) B-type is the correct answer.

B-type stars are larger and more massive compared to other main sequence stars. They are characterized by their blue-white color and high surface temperatures. A-type stars are also relatively massive, but B-type stars have even greater mass. G-type stars, like our Sun, are of intermediate mass, while Z-type and M-type stars are lower in mass. Therefore, option B) B-type is the correct answer.

You can learn more about B-type star at

https://brainly.com/question/2623188

#SPJ11

Answer:

Explanation:

A .fairly circular and in the same plane.

B .Our solar system formed at the same time as our Sun as described in the nebular hypothesis. The nebular hypothesis is the idea that a spinning cloud of dust made of mostly light elements, called a nebula, flattened into a protoplanetary disk, and became a solar system consisting of a star with orbiting planets.