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Question 1 10 pts The most abundant gas in Earth's atmosphere is ? , which makes up ? % of the atmosphere (rounded to the nearest whole percent). The...

Question 1

10 pts

The most abundant gas in Earth's atmosphere is ?   , which makes up  ?  % of the atmosphere (rounded to the nearest whole percent). The second most abundant gas is   ? , which makes up  ? % of the atmosphere (to the nearest whole percent).

 

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Question 2

10 pts

a) The layer of the atmosphere closest to Earth's surface is the ?   , where clouds form from rising moisture and precipitation falls.


b) The second layer from Earth's surface is the ?   , where the   layer can be found that screens out UV radiation and warms up the atmosphere.


c) The third layer from Earth's surface is the  ?  .


d) The furthest out layer of the atmosphere is the  ?  , where temperatures are high. The  ?  is home here, leading to the occurrence of aurora.

 


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Question 4

10 pts

The    ? effect is the way that Earth's atmosphere is heated from below as gases in the atmosphere absorb the infrared light emitted by the Earth. Carbon   dioxide  , water  vapor, and m ?   are some of the more common greenhouse gases.

 

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Question 5

10 pts

Earth's seasons are a result of the ?   ° tilt of its rotation axis. In the northern hemisphere, this leads to the north pole of the Earth being tilted toward the Sun as     ? approaches and being tilted away as  ?  approaches. Since that alters the amount of energy from sunlight falling on Earth's surface, it leads to the different seasons.

 



Question 8

10 pts

Winds are caused by   ? differences in the atmosphere, which can be traced back to  ? differences. The  ? effect ultimately results in winds being deflected to the right in the northern hemisphere.

 

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Question 9

10 pts

The steady rise of ? in Earth's atmosphere is thought to be the main contributor to increasing global temperatures.

carbon dioxide

nitrogen

methane

oxygen

carbon monoxide

water vapor

 

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Question 10

10 pts

In what two ways does the ocean affect climate?

icebergs forming in the oceans keep global temperatures down

they act as heat reservoirs to moderate temperatures

light reflects off the water's surface

their surface currents transport heat

Top Answer

Nitrogen, 78%.........Oxygen, 21% Troposphere?(closest to earth), Stratosphere(second), Mesosphere(Third),... View the full answer

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