The WHO and the World Bank call indoor air pollution ____.
A) the world's most serious air pollution problem
B) an important air pollution problem
C) not a serious air pollution problem
D) a serious problem only for poor people
E) a serious problem only for developed nations

Question

Quizplus · Accepted Answer

The WHO and the World Bank have identified indoor air pollution as the world's most serious air pollution problem due to its significant health impacts on millions of people, particularly in developing countries where the use of biomass fuels for cooking and heating is common.

The WHO and the World Bank Call Indoor Air Pollution