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Photosynthetic cyanobacteria created what important component of the atmosphere? a. nitrogen c. oxygen b. hydrogen d. carbon dioxide
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Feb 10, 2017
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Photosynthetic cyanobacteria created what important component of the atmosphere?
a. nitrogen
c. oxygen
b. hydrogen
d. carbon dioxide
Biology
high-school
Frmdstryr
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Answer:
c oxygen
Step-by-step explanation:
got it correct on ed
Dushyant Singh
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Feb 12, 2017
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Dushyant Singh
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C because oxygen was a byproduct of photosynthesis and proved to be EXTREMELY important in the atmosphere.
Ahawker
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Feb 17, 2017
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