Answers

2016-03-02T15:04:48+05:30
It is necessary to conserve environment to protect ozone layer,to protect animal habitat etc
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2016-03-02T15:13:34+05:30
This is necessary to conserve our environment bcoz environment around us support our life on earth if there is disturbance in our environment then this will create disturbance in our life ...for example - when there is over pollution in environment then there is also terror of different diseases for us ....so if our environment is healthy that means we are healthy
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