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Biolog
) what is Photosynthens?
Thesis to be process

Photosynthesis is the process by which plants and other things make food. It is an endothermic (takes in heat) chemical process that uses sunlight to turn carbon dioxide into sugars that the cell can use as energy. As well as plants, many kinds of algae, protists and bacteria use it to get food.

Explanation:

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i'm sure the answer you are looking for would be

a. an ice age

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