which of these is not a source of indoor air pollution.
a. mold and pollen b. industrial effluent
c. tobacco smoke d. pesticides
Answers
Answered by
0
Answer:
B
Explanation:
industrial effluent are are not source of indoor air pollution
Answered by
1
Answer:
option D
pesticides
Explanation:
hope it helps you....☺☺☺☺
Similar questions