Question

what would happen if plants do not perform photosynthesis​

Answer 1

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If photosynthesis does not occur in plants then plants cannot synthesize the food. The plants will not produce oxygen and then no animal life will be able to survive due to the absence of oxygen. We will not get oxygen, food, and life on this planet will be extinct.

Answer 2

If photosynthesis does not occur in plants then plants cannot synthesize the food. ... The plants will not produce oxygen and then no animal life will be able to survive due to the absence of oxygen. We will not get oxygen, food, and life on this planet will be extinct.