Danya2003 Danya2003

23-03-2016
Geography

contestada

The envelope of gases surrounding Earth is known as the atmosphere. Which of the following statements accurately describes the atmosphere?
A.The atmosphere is composed of masses of air particles that are constantly circulating.
B. The atmosphere is composed entirely of nitrogen and oxygen, which react to form ozone.
C. The atmosphere is composed of masses of air particles that move very little, if at all.
D. The atmosphere is composed of several layers that increase in density as altitude increases.

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bhammond25 bhammond25

23-03-2016

A is the right answer it is the only pure true one. B is wrong because only oxygen forms the o zone hence the term O zone. C is wrong because the air particles move a lot. Lastly, D is wrong because as altitude increases, density decreases.

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