Question

Which step would be most likely to have the greatest effect on improving outdoor air pollution?

Question 1 options:
A) significant reduction in automobile use
B) drastic reduction in cigarette smoking
C) drastic reduction in radon emissions
D) drastic reduction in burning firewood
E) drastic reduction in the use of aerosol cans

Answer 1

significant reduction in automobile use (A)

Step-by-step explanation:

transportation is the second leading air pollution contributor after industry pollution