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

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albert1406g albert1406g

17-03-2022

Answer:

photosynthesis and photolysis

Explanation:

I took the test.

Answer Link

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