The environmental changes that are observed in year 1990, 2005 and 2020 are Rise in Temperature around "6-8 degrees" centigrade, Increase in Population, Deforestation and increase in Pollution.
Causes for the environmental changes are Rise in Temperature due to increase of Industries, Usage of Plastic Bags, CFCs in Ac and Refrigerators.Cutting of forests (Deforestation) for Humanneeds.
Increase in Population there is a shortage of natural resources with increase in population. Which Leads to increase in pollution also for more population we need more resources but in nature there are limited resources only.
Increase in Pollution this is mainly because of Industries pollutants releasing from industries. In the year 2020 due to Covid -19 Lockdown we can observe the positive changes in environment.
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Part B
The following figures show four stages that occur during the formation of a one-solar-mass star. Rank these stages based on the central temperature, from highest to lowest.
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Based on the order in which they occur, from first to last.
molecular-cloud fragment, contracting cloud-trapping infrared light, protostar with jets, main-sequence starWhat is a molecular-cloud fragment?Generally, The phenomenon known as cloud fragmentation is the clumping together of a cloud (such as a molecular cloud) as a result of gravitational instability.
Cloud fragmentation occurs in regions of the cloud where the forces are balanced in such a way that a volume of high density increases its own density, decreasing the density of the volume around it, and effectively breaking it up into pieces.
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50 points need help look at picture
Using the Hertzsprung-Russell diagram below, determine which type of star has the following characteristics: A star with surface temperature 10,000 K and luminosity 0.001 times that of the Sun.
The type of star has the following characteristics: A star with a surface temperature of 10,000 K and luminosity 0.001 times that of the Sun is the white dwarf
What is a white dwarf?
Generally, When stars like the Sun have burned up all of their nuclear fuel, they degenerate into a state known as a white dwarf.
When this sort of star is getting close to the conclusion of its nuclear burning stage, the majority of its outer material is ejected, which results in the formation of a planetary nebula. The only part of the star that is still intact is its fiery core.
The following are some of the distinguishing features of this kind of star: The white dwarf is a kind of star that has a surface temperature of 10,000 Kelvin and a brightness that is 0.001 times that of the Sun.
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During the middle of the 19th century, hundreds of thousands of Irish immigrated to the U.S. to avoid the potato famine and find better opportunities. Many of the Irish immigrants found an unreceptive American society where it was difficult to find work. When searching for a job, an Irish person might find help wanted ads that included the phrase "Irish need not apply." According to the passage, why were many Americans most likely so unreceptive to Irish immigrants? A. The Irish, in their large numbers, were looked upon as a drain on society, as they took jobs away from Americans. B. Most Irish immigrants were less qualified for jobs than immigrants of other nationalities. C. Americans were afraid of catching diseases from Irish immigrants. D. Most of the people that were already in the U.S. were non-European people who were biased against the Irish.
Answer:
Explanation:
Pat Rawlings was thinking about next week’s eclipse nearly 30 years ago.
Rawlings has spent more than three decades as a space illustrator, creating scenes of human exploration in the cosmos, from spacecraft in orbit to astronauts on alien terrain. While preparing for a trip from his home in Texas to Idaho, where he’ll observe Monday’s eclipse with other space artists in the International Association of Astronomical Artists, he remembered a painting he’d made years ago for this very occasion. In 1989, Rawlings was working on illustrations for a collection of children’s science books by the science-fiction writer Isaac Asimov. Using acrylics, he painted a view of a solar eclipse as seen from the moon, and named it after the date when the next eclipse would cross over the continental United States: August 21, 2017.
based on the survivorship curves shown below, which of the following is a possible reason for the change in the shape of the curve from 1900 to 1980?
Based on the survivorship curves shown below, a possible reason for the change in the shape of the curve from 1900 to 1980 is Improvements in healthcare services and medical research
What is healthcare services?Generally, Health care is comprised of a variety of different professions, including but not limited to medicine, dentistry, pharmacy, midwifery, nursing, optometry, occupational therapy, physical therapy, sports training, and other related fields.
The provision of basic, intermediate, and tertiary care, in addition to work done in public health, are all included in this category of labor.
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Atmosphere activity
Biosphere activity
The atmosphere refers to the part of the Earth which contains the layer of gases, known collectively as air. These gases are retained by Earth's gravity that surrounds the planet and forms its planetary atmosphere.
The biosphere refers to the earth portion upon which life exists. The biosphere comprises of the deepest root systems of trees, to the dark environment of ocean trenches, to lush rainforests and high mountaintops. Scientists describe Earth in terms of spheres.
what is the Earth System?The Earth System refers to the summation of the all the interacting components on earth. The Earth System describes how these System inter relate to support life. The Earth systems include the following
GeosphereBiosphereCryosphereHydrosphereAtmosphereThe Geosphere refers to the hard part of the Earth. It includes all the rocks that make up Earth, from the partially melted rock under the crust
The cryosphere refers to the frozen water part of the Earth system.
The Hydrosphere refers to the liquid part of the Earth system.
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What was William the conqueror remembered for?
Answer:
Leading the Norman Conquest of England
Explanation:
Answer:
He was remembered for leading the Norman Conquest of England in 1066.
Explanation:
Brainliest, please! In Japan 1. What is the population growth of the country? (1 marks)
2. What factors influence population growth? Explain two factors.
(4 marks)
3. What problems can occur from population growth of the country?
(3 marks)
4. How to reduce/ increase birth rate? (2 marks)
Answer:
1. The population growth of Japan is now currently -0.53%.
2. Fertility rate and mortality rate (Life expectancy).
3. Additional usage of already limited resources.
4. increased social prosperity and financial incentives.
The sum of a number times 5 and is less than or equal to 23
The sum of a number times 5 and 8 is less than or equal to 23 is 5x + 8 ≤ 23. Therefore, the number is equal to 3.
What is an inequality?In Mathematics, an inequality simply refers to a mathematical relation that can be used to compare two (2) or more numerical values, numbers, and variables in an algebraic equation, especially based on any of the following inequality symbols:
Greater than or equal to (≥).Less than or equal to (≤).Greater than (>).Less than (<).Note: Let the unknown number be x.
The sum of a number times 5 and 8 = 5x + 8
Less than or equal to 23 ⇒ ≤ 23.
Combining the mathematical expressions, we have:
5x + 8 ≤ 23
5x ≤ 23 - 8
5x ≤ 15
x ≤ 15/5
x ≤ 3.
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Complete Question:
The sum of a number times 5 and is less than or equal to 23. What is the number?
Look at the following landscepes, and determine whether they would be susceptible to regional or fash flooding.
Drag the appropriate labels to their respective targets. Labels may be used more than once.
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The areas that are susceptible to flash flooding are:
Image A and Image C. While the area susceptible to regional flooding are: Image B and D.
Image A is a mountainous RiverImage C is an Urban Center/ AreaImage B is a Flood Plain, whileImage D is Period Rive.What is Flash Flooding?A flash flood is characterized by fast flooding of low-lying places such as washes, rivers, dry lakes, and depressions.
Heavy rain connected with a strong thunderstorm, hurricane, or tropical cyclone, or meltwater from ice or snow pouring over ice sheets or snowfields, can create it.
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I need help look at picture 50 points
Shanvi’s family lives in a town that grew up around Interstate Highway 95 in New Mexico; the town is a good stopping place for trucks coming from California with imported goods from Asia that were loaded in the ports of California. What type of layout might Shanvi’s town be likely to have?
A.
linear village
B.
dispersed settlement
C.
cluster village
D.
urban center
Shanvi’s family lives in a town that grew up around Interstate Highway 95 in New Mexico; the town is a good stopping place for trucks coming from California with imported goods from Asia that were loaded in the ports of California. What type of layout might Shanvi’s town be likely to have?
A.
linear village
B.
dispersed settlement
C.
cluster village
D.
urban center
Shanvi’s family lives in a town that grew up around Inte
Answer:
B so yet but also fanboys
Which metaphor most closely describes the nature of
spacetime?
light
silence
fabric
darkness
Answer: fabric
Explanation:
Which describes Eurasia?
Answer:
It is the area or country which is both in Europe and Asia.
Explanation:
Mainly it is the mixture of Europe and Asia which is known as Eurasia.
Thank you for letting me to give this answer.
How many contour intervals will a topographic map have?
Answer:
there are 3 kinds of intervals
The number of contour intervals on a topographic map is determined by the range in elevation from the lowest point to the highest point in the area being mapped.
Generally speaking, the greater the range in elevation, the more contour intervals need to be used. For example, if the range in elevation is just a few meters, then it will have just two contour intervals. In contrast, if the range of elevation is very large (e.g. tens or hundreds of meters), then the topographic map may have up to 10 or more contour intervals.
The contour interval of a topographic map also depends on the purpose of the map. For example, if the topographic map is intended to show small variations in elevation, then a smaller contour interval will be used. On the other hand, if the map is intended to show larger variations in elevation, then a larger contour interval may be used.
In addition, some topographic maps may also include supplemental contour intervals that are used to highlight areas of special interest, such as a mountain peak or a stream.
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Use the parallax formula to complete the following statements correctly.
A star with a parallax angle of 0.1 arcsecond is ___ away from us:
A star with a parallax angle of 0.01 arcsecond is ___ away from us:
A star with a parallax angle of 0.001 arcsecond is _____ away from us.
A star with a parallax angle of 0.0001 arcsecond is ____ away from us.
A star with a parallax angle of 0.1 arcsecond is 3.26 light years away from us:
A star with a parallax angle of 0.01 arcsecond is 326 light years away from us
A star with a parallax angle of 0.001 arcsecond is 3260 light years away from us
A star with a parallax angle of 0.0001 arcsecond is 32600 light years away from us
How to find the distancesA parsec is defined as the distance at which an object has a parallax of 1 arcsecond. This distance is approximately 3.26 light years.
1 parsec is equivalent to 3.26 light years
1 parsec = 1 / arcsecond = 3.26 light years
arcsecond = 1 / parsec
Based on this comparison we solve for other arcsecond given
1 parsec = 3.26light years
0.1 arcsecond = 10 parsec
= 10 * 3.26 light years
= 32.6 light years
0.01 arcsecond = 100 parsec
= 100 * 3.26 light years
= 326 light years
0.001 arcsecond = 100 parsec
= 1000 * 3.26 light years
= 3260 light years
0.0001 arcsecond = 100 parsec
= 10000 * 3.26 light years
= 32600 light years
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Which of the following was not a factor that encouraged early humans to urbanize?
A. adapting to climate changes
B. sharing agricultural resources
C. creating governments
D. sharing cultures Please select the best answer from the choices provided.
A B C D
Adapting to climate change was not a factor that encouraged early humans to urbanize. Hence, option A is appropriate.
What is climate Change?
Long-term changes in temperature and weather patterns are referred to as climate change." These changes may be organic, but since the nineteenth century, human activity has been the primary driver of climate change. This is primarily because burning fossil fuels, such as coal, oil, and gas, release gases that trap heat.
The use of fossil fuels like coal, gas, and oil is the primary contributor to climate change. When fossil fuels are used, carbon dioxide is released into the atmosphere, warming the earth.
The effects of climate change on various societal segments are interconnected. Food production or otherwise human health can be harmed by drought. Hence, option A is correct.
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2. What is it called when machines do the
work that humans used to do?
Timon is writing a paper on how men and women use the space in their houses differently. What field will this paper fall within?
A. physical geography
B. demography
OC. political geography
OD. geography of the home
Answer:
D
Explanation:
Answer:
D
Explanation:
Lengths of Blue Whales (in ft.) 74.3 77.9 79.3 80.6 82.1 82 8 84 3 85.1 86.0 Calculate the mean for the data set given above. *
Answer:
81.378 (rounded to the nearest thousandth)
Explanation:
add all the measurements together (=732.4) divide by the amount of data points given (9) and that equals 81.377777(repeating)
How many students can be on 48 sq ft on 60ft 40 ft
Answer:
2500
Explanation:
How many times does the rotation R(120°, P) need to be applied to a figure to map the figure to itself?
In order to map a figure to itself, it must be rotated 360°. Hence, the rotation R(120°) needs to be applied three times.
What is the rotation of a figure?A rotation is a transformation that rotates the figure clockwise or counterclockwise. A figure can be rotated 90°, or a quarter turn, either clockwise or counterclockwise. You have rotated the figure 180° when you spin it precisely halfway. Turning it all the way around causes the figure to revolve 360°.
A rotation is a sort of transformation that rotates each point in a figure a specific number of degrees around a particular point.
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Which of the following is a consequence of advances in agriculture
technology?
A. Production of food increases, which can help feed the world's
hungry.
B. Pollution decreases.
O C. More water is used per person.
D. Production of food decreases because advanced technology is
expensive.
Among the above option a and b can be correct.
Advancement in agriculture technology influences different things and positively impact different stakeholders respectively, like the options available as the consequences of the advances in agriculture.
It helps in increasing the food production which helps in reducing the world's hunger as the hunger issues increases with capitalism (alienation of products from labor)
Next it also helps in reducing pollution with the usage of advance technology because they will be more energy efficient and also reducing greenhouse gas emissions that is major cause of pollution.
Smart agriculture is now the need for the world with the advancement of agriculture to make agriculture climate resistant.
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What type of plate boundary is illustrated in the image?
Based on the passage above, what does circumnavigate mean?
A. pass over
B. explore
C. sail around
D. investigate
Please select the best answer from the choices provided
Answer:
C
Explanation:
VERB
sail or travel all the way around (something, especially the world):
"he undertook to circumnavigate the globe in 80 days or less"
SIMILAR:
go around
walk around
travel around
orbit
revolve around
circumambulate
go around or avoid (an obstacle):
"He helped her to circumnavigate a frozen puddle"
Base on map, explain the geographic context (Geographic Context—refers to where this historical development/event is taking place and why it is taking place there.) for the historical development shown in map of the Qin and Han Empires 221 BC- 220 AD.
The historical development taking place on the map of the Qin and Han Empires between 221 BC and 220 AD is the Qin Dynasty taking over from the Han Dynasty.
Why did the Han Dynasty fall?The reason for the fall of the Han Dynasty happened because there was a series of internal strife between strong military leaders who were not strong enough to take over China and unite it. This all came to an end in 221 BC when the Qin Dynasty was able to take over much of China, thereby uniting it under a single government for the first time in the long time.
This led to the end of the Han Dynasty. To be able to take over China however, the Qin had to be content with not taking all of China under the Han because they were not strong enough. As a result, there were attacks against the Qin such that it did not last as an empire and had to be dissolved less than 20 years later in 206 BC.
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Which state below is NOT true about black holes?
They have the strongest force of gravity in the universe.
At their cores, the laws of
physics still apply.
They give off no light radiation.
They are points or areas in space.
Answer: At their cores, the laws of physics still apply.
Explanation:
Question 5 of 5
Which tool helps geographers display data that have been gathered about the
population of a specific location?
A. Charts and graphs
B. Three-dimensional models
C. Satellite images
•
D.
Geographic information systems
SUBMIT
PLSSS HELP
What is the significance of this image?
The above image is a kind of star. It shows the process of planet formation.
What is planet Formation?Planets usually form around a star. This particular image depicts concentric rings of material surrounding HL Tauri - a star that is very young and that is about one million years old.
HL Taura is situated above 450 light-years away from earth. It is predicted that it will evolve into a main sequence star such as the earth's sun.
The above formation of the solar system is said to look exactly like that of our solar system when it was formed about 4 billion years ago.
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using the image shown below, how would you know which rock is older h or c? i.e. which of these relative dating principles would be most useful?
From the image, C is older than H, reason is rocks are created by the accumulation of layers over time. Because it forms earliest, the lowest layer of rock is the oldest. Igneous rocks are examples of rocks, and they are formed as a result of the crystallization of molten magma
The Formation of rocksIgneous rocks are made of melt or magma that has crystallized. The melt is composed of different parts of previously existent rocks that have undergone melting along subduction zones or within the Earth's mantle.
The hot melt flows upward through the cooler country rock. As it flows, it cools, and via a process called fractional crystallization, different types of rocks will form. At mid-ocean ridges, in areas of island arc volcanism, or in intra-plate hotspots, igneous rocks can be observed.
Metamorphic rocks: initially igneous or sedimentary, metamorphic rocks have undergone varied degrees of pressure and heat within the Earth's crust. The processes involved will alter the makeup and structure of the rock, and it might be challenging to determine what they were originally made of. Mountainous regions are often where one can find metamorphic rocks.
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