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Q.4 What will happen if
(a) we go on cutting trees
(b) the habitat of an animal is disturbed
(c) the top layer of soil is exposed
Answer :

(a)
if we go on cutting trees then
The temperature will increase to greater extent.
animals loss their habitat . It causes green house effect . And increase global warming. the water cycle will get disturbed.
(b)
If the habitat of an animal is distrubed then
the animals will lose their natural habitat and will reach the level of being endangered.
All the basic necessities for an animal, like food, water, shelter and protection is provided by the habitat in which the animal lives-in disturbing the habitat of the animal forces it to move to another place in search of food, water, shelter and protection.
(c)
the top layer of soil is exposed then
the exposed layer will lose all its nutrients, especially the hummus. the water holding capacity of soil will decrease.