Answers

2014-06-10T14:02:17+05:30
Modern health hazards,dangers arising for the man ,made circumstances that threaten the well being of humans environment.these are normally hazard arising from the mistakes humans have made over the past years affecting the healthy status of the entire planet completely different hazards threat human life on earth and by the level of extend of threat the effect can be serious and can cause to death . this will may help u plz mark as the best
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