Answers

2015-07-08T18:21:21+05:30
Last 2 to 3 decades before
there used to be greenery every where .there were many farms . chidren used top lay in fields. there were many tanks. people used natural fertilisers. they  made things with their own hands etc.
nowadays 
there are buildings everywhere. children play on tabs,computer.people use artifical fertilisers. machine do every work.people are busy
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