Air pollution
Chapter 24: Air Pollution
AIR QUALITY. Consider: An oxygen tank costs $20. 1,000,000 Americans wouldn’t need 2 tanks per week for emphysema/bronchitis if air pollution is decreased.
AIR QUALITY. Consider: An oxygen tank costs $50. 1,000,000 Americans wouldn’t need 2 tanks per week for emphysema/bronchitis if air pollution is decreased.
Air Pollution
