Answers

2015-05-26T20:02:34+05:30
     Quite a few animal species are endangered and some have been extinct.the main causes for this major threat to nature are hunting by greedy hunters for commercial purposes, pollution due to chemical and industrial wastes, acid deposits, introduction of alien species and reckless cutting of the forests to bring land under cultivation and inhabitation, which are also responsible for the imbalance.
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