asked 233k views
5 votes
NEED HELP ASAP!!!!

Which process do scientists think provided Earth with an oxygen-rich atmosphere?


radiometric dating


spontaneous generation


photosynthesis


respiration

asked
User Dunwan
by
7.5k points

1 Answer

6 votes

Answer:

photosynthesis

Step-by-step explanation:

took the test

answered
User Nayfe
by
8.6k points
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