augadog06 augadog06

29-03-2017
Biology

contestada

Why is our ecosystem important ?

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xXxChickenNuggetxXx xXxChickenNuggetxXx

29-03-2017

Trees give off most of the oxygen on Earth so that we can breathe.

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john216s john216s

29-03-2017

its what keeps us alive so we should protect it

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