During the first major divergence of life the

atmosphere was
a. high oxygen, high carbon dioxide.
b. high hydrogen, low oxygen.
c. changing from anaerobic to aerobic.
d. firmly in the age of aerobes.
e. all of these.


Answer: b

Biology & Microbiology

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The rate of carbon uptake increases only when plants allocate carbon to the production of

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What is the final result of mitosis in a human?

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