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PLEASE HELP!!!! Which of the following were responsible for changing the oxygen content in Earth's atmosphere from no oxygen to 21% oxygen? A. Prokaryotes B. Eukaryotes C. Ribozymes D. Protobionts
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PLEASE HELP!!!! Which of the following were responsible for changing the oxygen content in

Earth's atmosphere from no oxygen to 21% oxygen?
A. Prokaryotes
B. Eukaryotes
C. Ribozymes
D. Protobionts

User Grey Black
by
4.9k points

2 Answers

1 vote

Answer:

prokaryotes

Step-by-step explanation:

i took the quiz

User Pan Ziyue
by
4.3k points
2 votes

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.

User AToz
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5.2k points
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