Which of the following is a source of atmospheric oxygen in the oxygen cycle?
A) the burning of fossil fuels
B) decomposition of water during photosynthesis
C) the weathering of rocks
D) water from plant transpiration
E) all of the above
Correct Answer:
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Q35: Most of the carbon near Earth's surface
Q36: Carbon dioxide and water and light combined
Q37: Carbon is fixed in the biosphere through
Q38: This entity has the greatest percentage of
Q39: The energy source for the biosphere is
A)
Q41: Which of the following does NOT belong
Q42: Until Yellowstone's devastating fire season of 1988,
Q43: In terms of broad distribution patterns,_ and
Q44: The end product of photosynthesis is (are)_
Q45: Plant decomposition releases into _the atmosphere.
A) oxygen
B)
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