Question

Tick the correct answer. (1) Which of the following gases protects us from harmful sun (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 (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 (v) When precipitation comes down to the earth in the liquid it is called (a) Cloud (b) Rain (c) Snow
​

Answer 1

Answer:

1=(c)

2=(a)

3=(b)

4=(b)

Answer 2

Answer:

The ozone layer protects us from the harmful sun.

Explanation: