Which of the following statements about the atmosphere is true?
A) The overall composition of the atmosphere has not changed with time.
B) The component of air that makes it reactive is the element nitrogen.
C) The hydrogen in the atmosphere is what makes it flammable.
D) The atmosphere does not have much mass.
E) none of the above
Correct Answer:
Verified
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A)cooling effect while
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A)any material
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A)H2SO4
B)O2
C)NO2
D)O3
E)c
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