Question

43. Air pollutants are harmful to living things. Which of
the following is/are their harmful effect(s)?
(i) They form acid rain.
(ii) They cause breathing problems in humans.
(iii) They interfere with photosynthesis in plants.
(iv) They result in the depletion of ozone layer.
A. (i) only
B. (i) and (ii) only
(i), (ii) and (iii) only
D. (i), (ii), (iii) and (iv)​

Answer 1

Answer:

Option D is the correct answer

Answer 2

Answer:

B

Explanation:

Because rain becomes acidic because of the presence of carbon dioxide in the atmosphere and they causes breathing problems in humans and animals because there will be no sufficient oxygen for us to breathe.