(i) Air dissolved in water cannot be removed from it. |
(ii) Density of air decreases with increasing altitude. |
(iii) Air is an element that surrounds the Earth and makes it hospitable for living organisms. |
(iv) Air helps in pollination of several flowers and in the dispersal of seeds. |
A) (i) and (ii) only
B) (ii) and (iv) only
C) (i) and (iii) only
D) (iii) and (iv) only
Correct Answer: B
Solution :
Air dissolved in water can be removed from it by boiling. Air is a mixture of gases that surrounds the Earth and makes it hospitable for living organisms.You need to login to perform this action.
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