Question

Which materials are common indoor air pollutants? Check all that apply.

a. smog
b. natural gas
c. vehicle exhaust
d. mold in windowsills
e. carbon monoxide

WILL MARK BRAINLIEST !!

Answer 1

All of the answers except A

Answer 2

D. Mold in window sills, let me know if this is multiple choice just in case there are more answers! Hope this helps! ♡