Tick the correct answer.
(i) Which of the following gases protects us from harmful sun rays?
(a) Carbon dioxide |
(b) Nitrogen |
(c) Ozone |
(ii) The most important layer of the atmosphere is
(a) Troposphere |
(b) Thermosphere |
(c) Mesosphere |
(iii) Which of the following layers of the atmosphere is free from clouds?
(a) Troposphere |
(b) Stratosphere |
(c) Mesosphere |
(iv) As we go up the layers of the atmosphere, the pressure
(a) Increases |
(b) Decreases |
(c) Remains the same |
(v) When precipitation comes down to the Earth in the liquid form, it is called
(a) Cloud |
(b) Rain |
(c) Snow |