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2015-10-23T18:14:09+05:30

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Some reasons are-
@ Cutting down of trees.
Increasing industries.
@ Urbanisation.
@ Pollution.
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2015-10-23T18:15:51+05:30
1. life style is most important thing for the extension of deserts because now a day people are causing much pollution.

2. this pollution is casing global warming due to which there are no proper rainfall because of gradual increase of temperature.

3. this is causing the extension of the deserts in the worlds. dye to this global warming the water is getting evaporated but it is not raining so the deserts are increasing now a days.

hope so my answer is useful and if you like it please do mark as the best answer. 

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