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What component of Earth's atmosphere exists entirely as a result of photosynthesis?

oxygen pas
n mas
O water vapor
O nitrogen gas
O carbon dioxide gas

User Martin Vrkljan
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2 Answers

8 votes
8 votes
The last one is correct
Hope its help for your questions
User Alesss
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15 votes
15 votes

Answer:

Step-by-step explanation:

Carbon dioxide

User RobotNerd
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