Answers

2015-05-21T12:09:57+05:30
Water and food provide humans with sustenance and energy, for example, and fossil fuels generate heat as well as energy for trans- portation and industrial production. Many of the same natural resources used by people are impor- tant to plants and wildlife for survival as well.
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2015-05-21T13:48:41+05:30
Natural resourses are very use full for us, the are :-

*petrol is also a natural resourses it is very use full for us like to run a bike, truck, etc
*coal is a natural resourses which is use full for us.

dangers of development :-

*increasing of development leads to the increase of pollution.
*due to development trees are cutten down.
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