Air Pollution
Air pollution
AIR POLLUTION PRESENTATION
Air pollution1
Deidre Jones 6 th grade. Any visible or invisible particle or gas found in the air that is not part of the original, normal composition.
ENSC 287 Understanding our Environment Presented by Lin Jian.
Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living.
