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Which natural event produces oxygen, which can then be used by humans and other organisms? a. evaporation of water b. respiration by consumers c. photosynthesis by producers d. chemosynthesis of sulfide
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Which natural event produces oxygen, which can then be used by humans and other organisms?

a. evaporation of water
b. respiration by consumers
c. photosynthesis by producers
d. chemosynthesis of sulfide

User Steveyang
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1 Answer

5 votes
C-Photosynthesis by producers
User Abie
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