Question

select the correct answer. which of the following causes air pollution inside the house? a. smoking cigarettes b. growing houseplants c. opening shades to let sunlight in d. using fans to circulate air

Explanation:

Smoking cigarettes releases harmful chemicals like nicotine, tar, and carbon - monoxide, which cause indoor air pollution. Growing houseplants can purify air, opening shades for sunlight has no negative impact on air quality, and using fans to circulate air helps in air movement and doesn't cause pollution.

Answer:

A. smoking cigarettes