Question

Observe the picture given in Figure carefully and answer the following questions.​

(a) What is covering the nose and mouth of the policeman?​
(b) Why is he putting a cover on his nose?
(c) Can you comment on air quality of the place shown in the figure?

Answer 1

(a)
The policeman covered his nose and mouth with a mask.

(b)
Policeman worn a mask on his nose to protect himself from dirt and polluted air. ​

The mask avoids exposure to the harmful exhaust of vehicles and prevents the harmful gases or dust particles from entering our body.​

(c)
Air quality of the place is very poor as it is polluted with harmful gases such as carbon monoxide and sulphur dioxide produced by the engines of various vehicles along with dust particles. ​