Answers

2015-10-06T20:35:48+08:00
As the higher number of population, a gradually take over the area, some organisms can loss habitat because of human activities, shortage of needs because of too high population, some animals have accelerated the rate of extinction ...
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2015-10-06T21:27:58+08:00
The athmosphere will not be good and will be always poluted..
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