The waste gas released by plants as they synthesize food sugars from carbon dioxide and water is _________.
A) methane
B) carbon dioxide
C) oxygen
D) nitrogen
E) none of the above
Correct Answer:
Verified
Q24: The cells of these primitive organisms lack
Q25: _means "planets in the making."
A)Protoplanets
B)Jovian
C)Terrestrial
D)Asteroids
E)none of the
Q26: The most economically important resource in Cenozoic
Q27: As they formed, due to their high
Q28: _Eon accounts for ~90% of the geologic
Q30: Most _rocks are devoid of fossils, which
Q31: Earth's primitive atmosphere evolved from gases _.
A)collected
Q32: The Precambrian rock record indicates that much
Q33: Each continent contains large "core areas" of
Q34: The_ era is known as the "age
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