Answers

2015-01-15T16:39:48+05:30
oxygen will not be there and it would lead to the end of life on the earth
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2015-01-15T16:44:49+05:30
If there is no tree on the earth then there will be no life on earth. As trees take carbon dioxide from air and give us oxygen which very essential for our life.
Trees are also helpful for having rainfall and the surrounding air clean. No tree means no life.
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