The rise of oxygen in the modern atmosphere is partially due to the preservation of organic matter before it could _____.
A) chemosynthesize
B) convert into sugars
C) decay
D) photosynthesize
Correct Answer:
Verified
Q18: A toxic _ is a byproduct of
Q19: The major legislation that dictates federal air
Q20: Smog is produced when automobile exhaust is
Q21: _ is the release of volatiles from
Q22: Earth's primordial atmosphere _.
A) contained no oxygen
B)
Q24: Earth's earliest organisms were probably _.
A) multicellular
Q25: Which of the following shows the correct
Q26: Earth's modern atmosphere _.
A) is composed of
Q27: The atmosphere becomes _.
A) less dense with
Q28: The First Great Oxidation Event was likely
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