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Two reasons that photosynthesis is important?


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February 21, 2011 11:54PM

Photosynthesis is very important. Two reasons are:

* Oxygen is a product of the process. All animals need O2 to survive.

* Helps get rid of CO2 in the air. CO2 is used by plants like oxygen is to animals. So the plants absorb it. CO2 is not good for animals, so by the plants absorbing it, it helps animals.