Small particulate material, less than 2.5 micrometers in diameter, poses a greater health risk to humans than larger,
coarse particles. Which of the following will reduce the amount of new pollution?
Check All That Apply
A. Filtering air emissions to remove particulates.
• B. Conserve energy.
C. Buy clothes that can be washed rather than dry-cleaned.
D. Don't use polluting two-cycle gasoline engines if cleaner four-cycle models are available for
lawnmowers, boat motors, etc.
