I need help look at picture 50 points

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.

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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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

Igneous 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involved will alter the makeup and structure of the rock, and it might be challenging to determine what they were originally made of.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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Answer:

B so yet but also fanboys

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.

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

The 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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Answer:

D

Explanation:

Answer:

D

Explanation:

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

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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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, a possible reason for the change in the shape of the curve from 1900 to 1980 is  Improvements in healthcare services and medical research

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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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

A 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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Answer:

Leading the Norman Conquest of England

Explanation:

Answer:

He was remembered for leading the Norman Conquest of England in 1066.

Explanation:

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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Based on the order in which they occur, from first to last.

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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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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In order to map a figure to itself, it must be rotated 360°. Hence, the rotation R(120°) needs to be applied three times.

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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Answer:

2500

Explanation:

Adapting to climate change was not a factor that encouraged early humans to urbanize. Hence, option A is appropriate.

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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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.

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:

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?

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"

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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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.