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Kamila [148]
3 years ago
8

Three billion years ago plants began the process of photosynthesis. Why would

Biology
1 answer:
zmey [24]3 years ago
8 0

because a chemical reaction began to happen at a very big rate which uses CO2 as a reactant and O2 as product

6CO2+6H20--->C6H12O6+6O2

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