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NEED HELP ASAP!!!! Which process do scientists think provided Earth with an oxygen-rich atmosphere? radiometric dating spontaneous generation photosynthesis respiration
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NEED HELP ASAP!!!!

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


radiometric dating


spontaneous generation


photosynthesis


respiration

User Dunwan
by
5.3k points

1 Answer

6 votes

Answer:

photosynthesis

Step-by-step explanation:

took the test

User Nayfe
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