The percentages of variable gases in the atmosphere indicate that the composition of the atmosphere is controlled
A) totally by the amount and type of gases given off during volcanic eruptions.
B) totally by the composition of comets and meteors that strike Earth.
C) to a significant extent by biological processes occurring on Earth.
D) exclusively by chemical reactions between sunlight and the gases in the atmosphere.
E) natural evolution of stable atmospheric component.
Correct Answer:
Verified
Q22: Temperatures increase with increasing altitude in
Q23: Nitrogen (N²)is
A)a by-product of photosynthesis.
B)relatively inert,with cycling
Q24: Oxygen (O²)
A)is a gas which principally originates
Q25: Which of the gases listed below has
Q26: Which gas in the atmosphere is used
Q28: Which of the following is true regarding
Q29: Which is true of the amount of
Q30: Which of the following lists the correct
Q31: Temperatures within the stratosphere
A)decrease with altitude according
Q32: Which of the following is true of
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