Answer:
(a) If we go on cutting trees then:
(i) Ecological balance will be disturbed.
(ii) Earth will loose top fertile layer and will be converted into desert.
(iii)Floods and droughts will become more frequent.
(iv)Many animals will lose their shelters.
(v) There will be scarcity of things like fruits, paper, wood which we get from forests.
(vi)Global warming will occur.
(b) If the habitat of an animal is disturbed, it will ultimately become extinct.
(c) Exposure of the top soil will lead to its erosion. Removal of the top layer of the soil exposes the lower, hard and rocky layers. This soil has less humus and is less fertile. Gradually the fertile land gets converted into deserts. It is called desertification.
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