Question

12.(i) Why are our bodies not crushed by the large pressure exerted by the
atmosphere.
(ii) Why does blood ooze out when there is slight cut in our body.
(iii) Why is a wide steel belt provided over the wheels of an army tank.
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Answer 1

Explanation:

1) due to pressure inside our body

2) as I said that our body exerts some pressure due to that pressure the blood ooZes out

3) to provide support to the tank and reduce pressure on ground