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Which of the following is the main factor of desertification? (a) over-grazing (b) tourism (c) irrigated...

Which of the following is the main factor of desertification?

(a) over-grazing

(b) tourism

(c) irrigated agriculture

(d) all of these.

Science   Biology   
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Answer #1

option a is correct.

In the desertification normal fertile soil is converted into sterile soil.

On this kind of soil we cannot able to grow any plantlets because Soil lasted all nutrients and essential factors which are required by plants for growth.

We can say over grazing is the main factor because due to this all nutrients and minerals are exclude out and can not supports the growth and germination of the further plants.

Tourism and irrigated agriculture does not affects the fertility of soil.

Infertility play direct role in desertification.

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