________ is (are) responsible for placing oxygen in the atmosphere.
A) Automobile exhaust
B) Burning
C) Chlorofluorocarbons
D) Lightning strikes
E) Plants
Correct Answer:
Verified
Q8: Water vapor is nearly absent _.
A) in
Q14: Argon is the _ most plentiful gas
Q22: Over warm oceans, water vapor is at
Q28: The homosphere includes the lowest _ kilometers
Q29: Most surface winds in the tropics _.
A)
Q30: Thousands of kilometers above the surface is
Q32: The approximate, indistinct outer boundary of the
Q39: On the average, the tropopause is highest
Q48: Air is best described as a(n) _.
A)
Q85: The most basic factor causing the distribution
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