water pollution

water pollution

air pollution

land pollution

A reduction of oxygen levels in the water.

Water that can support more life.

Waters that are devoid of life.

An increase in oxygen levels.

runoff

sediment

point source pollution

nonpoint source pollution

thermal

toxic

nonpoint source pollution

point source pollution

Sediment

Nutrient

Toxic

Bacterial

Thermal

The amount of oxygen in the water.

The clearness or cloudiness of the water.

The amount of heat in the water.

The acidity of the water.

True

False

Lower temperatures leads to higher levels of dissolved oxygen.

Lower temperatures leads to lower levels of dissolved oxygen.

Higher temperatures leads to higher levels of dissolved oxygen.

Temperature and dissolved oxygen do not relate.

Because nonpoint pollution can be traced to only one source.

Because the source of nonpoint pollution is difficult to identify.

Because the source of nonpoint pollution may be a factory that can afford large fines.

Because nonpoint pollution is mainly from high temperature, which is impossible for us to affect.

Gen-X

Gen-Y

Eutrophication

Ectinasida Turbinata