NR 2 4.02 Water pollution and treatment

In a waster water treatment plant, this material comes from it and can heat the plant

• methane

• sludge

• bacteria

• carbon dioxide

Pollution caused by a decomposing material

• atomic pollution

• organic pollution

• radioactive pollution

• seismic pollution

If you use litmus paper or a electronic meter to test for a reading of 0-14, you are determining

• turbidity

• temperature

• pH

• DO levels

Natural processes that cause water pollution

• point source pollution

• nonpoint source pollution

• diffuse pollution

• background pollution

Pollution that comes from a direct source such as an industry pipe, it is called

• point source pollution

• nonpoint source pollution

• diffuse pollution

• background pollution

Studying which types of macroinvertebrates located near a water source, helps you determine

• flow rate

• salinity

• water quality

• water depth

Pollution sensitive organisms such as the water penny help determine

• good water quality

• slightly polluted water quality

• moderately polluted water quality

• extremely polluted water quality

Pollution coming from contaminants across a wide area is called

• background pollution

• diffuse source polltuion

• radioactive pollution

• point source pollution

The agent responsible for breaking down many materials in a septic tank is

• bacteria

• detergent

• radiation

• salt

During sewage treatment thw water is purified but a by-product that must be disposed is

• methane

• oxygen

• sludge

• ozone