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What Would Happen If There Were No Trees on Earth?

Answer

Trees provide a huge portion of the oxygen we need to survive as oxygen is constantly put into the atmosphere by plants and trees. If there were no trees, then there might be no oxygen, and we would not be able to survive
Q&A Related to "What Would Happen If There Were No Trees on..."
Answer 如果植物不存在的开端,因为我们知道生命不会作
http://wiki.answers.com/Q/What+would+happen+to+the...
Disappointingly little. Gasses try to fill all space, solids don't. Any water on the surface of the bark or leaves would evaporate very quickly, giving the tree a bad case of freezer
http://www.quora.com/What-physical-effects-would-h...
Then it will escape Earth's gravitational field, and go farther and farther away.
http://wiki.answers.com/Q/What_would_happen_if_a_r...
I believe that most life would die off immediately, plants possibly included. Plants need oxygen as a terminal electron acceptor in aerobic respiration, the same reason animals need
http://www.quora.com/Science/What-would-happen-to-...
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