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heavenblue01
it because they give us oxygen and without oxygen we would all die from oxygen deprivation.
the process that gives us oxygen is photosynthesis 
 
soph1sike1sof
Plants are important because they process sugar. Sugar is in most of the foods that we eat. They release oxygen and take in carbon dioxide. It's a trade between both of us, the human's breath and the plant, especially trees.

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