Question

9 what effect does ozone near earths surface have on the human body? a it increases lung function. b it increases throat irritation. c it reduces breathing problems. d it reduces skin cancer.

Explanation:

Ozone near Earth's surface is a pollutant. It can cause throat irritation. It does not increase lung function (A is wrong). It does not reduce breathing problems (C is wrong). Skin cancer is mainly related to UV - B radiation (not ozone near surface, D is wrong).

Answer:

B. It increases throat irritation.