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10 May, 10:41

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

A. spontaneous generation

B. radiometric dating

C. photosynthesis

D. respiration

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Answers (2)
  1. 10 May, 10:44
    0
    C. photosynthesis would be the correct answer
  2. 10 May, 10:52
    0
    Option C) photosynthesis is correct. Photosynthesis makes plants excrete oxygen.
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