U8
Colorless, odorless, poisonous gas
Carbon Monoxide
Percentage of Earth's water that is completely unusable by people
99%
Enforces national environmental policies such as the Clean Water Act, Clean Air Act, Resource Conservation and Recovery Act, and the Energy Policy Act.
Environmental Protection Agency
The study of toxic substances
Toxicology
Naturally occurring odorless, colorless, and radioactive gas
Radon
Land area that drains into a particular body of water
Watershed
Enforces important wildlife protection policies such as the Endangered Species Act, Species Conservation Act, and the Resource Conservation and Recovery Act.
U.S. Fish and Wildlife Service
Cancer or lead poisoning and Cholera
Fungal growth on wet areas
Mold
Pollutants enter atmosphere via combustion and fall to Earth via precipitation
Air pollution
Enforces the federal Land Policy and Management Act.
Bureau of Land Management
An organism, such as mosquito, that spreads a pathogen or parasite to another organism.
Vector.
Colorless, flammable, and toxic gas
Formaldehyde
An organism in water that can cause disease
Pathogens
Enforces Soil and Water Conservation Act and the National Forests Management Act.
Department of Agriculture
An organism in which a pathogen lives all or part of its life.
Host
Precipitation that has lower pH values
Acid Rain
Large system of rotating trash in the North Pacific Ocean
Great Pacific Garbage Patch
Monitors international atmosphere, climate and oceans.
National Oceanic and Atmospheric Administration
Causes the body to lose water by diarrhea and vomiting. Caused by drinking contaminated water.
Cholera