Question

door air pollutants can be dangerous because the air pollutants stay in a small space rather than circulating throughout the atmosphere. Which of these choices is an example of an indoor air pollutant?

A. methane gas

B. vehicle exhaust

C. building materials

D. industrial emissions

Answer 1

C. building materials

Building materials can release various indoor air pollutants, such as volatile organic compounds (VOCs), which can be harmful in enclosed spaces.