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lana [24]
2 years ago
11

PLEASE HELP!!!! Which of the following were responsible for changing the oxygen content in

Biology
2 answers:
Nesterboy [21]2 years ago
4 0

Im not 100% sure but the best answer I can give is Prokaryotes because they came to be around the time oxygen did as well.

Natasha_Volkova [10]2 years ago
4 0

Answer:

prokaryotes

Explanation:

i took the quiz

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Explanation:

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