emmathesmartchick563 emmathesmartchick563

03-09-2020
Biology

contestada

10.000000 points!!!! Pls answer!!!!

How much of the earths oxygen is generated by marine organisms?
A. 50%
B. 25%
C. 90%

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christiemassingill christiemassingill

03-09-2020

I think the answer is A

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