asked 180k views
2 votes
Scientists have hypothesized that oxygen began to build up in the Earth's atmosphere after the development of living things with the ability to A. breathe air. B. form tissues. C. photosynthesize. D. reproduce sexually.

asked
User NGambit
by
7.7k points

2 Answers

7 votes

Answer:

The answer is c. photosynthesize

answered
User Jeetendra Pujari
by
9.4k points
4 votes
C. photosynthesize

I hope this helps:)
answered
User Notexactly
by
7.9k points
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