Which type of pollution is most harmful to lungs?
Lead air Cars oil acid CFCs SO2 mold
A B C D E F G H
Exposure to ozone can diminish lung function and increase susceptibility to respiratory infection.
Exposure to air pollution can harm the lungs.
Which type of pollution is most harmful to lungs? (A) Lead (B) air (C) Cars (D) oil (E) acid (F) CFCs (G) SO2 (H) mold