Answers

2014-08-17T20:51:59+08:00
The main cause of the extinction of plants and animals is the bad activities done by humans like illegal logging and hunting. This is because these activities causes the natural disasters that is happening like global warming because of the air pollution from the smoke of the factories and cars or extinction of animals in hunting animals.
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2014-08-18T17:33:43+08:00
They extinct because the people are not  preserving their habitat
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