Which of the following substances is used by plants as a reactant in photosynthesis? A. carbon dioxide B. glucose C. oxygen D. pyruvic acid

asked Apr 21, 2016 151k views

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Which of the following substances is used by plants as a reactant in photosynthesis?

A. carbon dioxide
B. glucose
C. oxygen
D. pyruvic acid

by QAH

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3 votes

Carbon dioxide and water.

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The answer is A. carbon dioxide.

Basically plants use carbon dioxide and water for photosynthesis.