alfonsocrespin81 alfonsocrespin81
  • 13-04-2021
  • Chemistry
contestada

What two processes contributed oxygen to earth’s second atmosphere?

a.photosynthesis and volcanism
b.volcanism and weathering
c.weathering and rainfall
d.photosynthesis and photolysis

Respuesta :

lillyjohnson1423 lillyjohnson1423
  • 13-04-2021
I’m pretty sure that it’s d. not 100% sure tho
Answer Link
albert1406g
albert1406g albert1406g
  • 17-03-2022

Answer:

photosynthesis and photolysis

Explanation:

I took the test.

Answer Link

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