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Trees help us in many ways.It gives oxygen to us.It makes the impure air pure by the process called photosynthesis
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1.Trees helps to maintain the balance in ecosystem.
2. Trees provides air (oxygen).
3. Trees helps in prevention of  destructive winds .
4. They helps the surface of land by making it strong which prevents erosion.
6. Trees gives raw materials.
7. Therefore we need to save trees.
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