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Photosynthetic cyanobacteria created what important component of the atmosphere? a. nitrogen c. oxygen b. hydrogen d. carbon dioxide

Photosynthetic cyanobacteria created what important component of the atmosphere? a. nitrogen c. oxygen b. hydrogen d. carbon dioxide
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Photosynthetic cyanobacteria created what important component of the atmosphere?

a. nitrogen
c. oxygen
b. hydrogen
d. carbon dioxide

User Frmdstryr
by
8.4k points

2 Answers

4 votes

Answer:

c oxygen

Step-by-step explanation:

got it correct on ed

User Dushyant Singh
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5 votes
C because oxygen was a byproduct of photosynthesis and proved to be EXTREMELY important in the atmosphere.
User Ahawker
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