contestada

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

Respuesta :

LeSm0lFox

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.

leahgcampbell224

Answer:

prokaryotes

Explanation:

i took the quiz