challenge question #3

Gloria Edwards (GEDWARDS@cps.wsc.k12.ar.us)
Wed, 19 Mar 1997 11:25:08 CST

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Leaves on plants take in carbon dioxide and give off oxygen during
photosynthesis. This cleans the atmosphere and gives the oxygen to
sustain life. Most animals depend on leaves as a base for the food
chain. Leaves also play a part in the water cycle during
transpiration.

Eric McGuyer

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