Front

What is nonpoint source pollution?

Back

Nonpoint source pollution is water pollution that comes from many different sources, rather than a single, identifiable source.

Front

What is the water table?

Back

The water table is the uppermost level at which the water in a given area fully saturates the rock or soil.

Front

What sector uses the majority of water in the U.S.?

Back

Agriculture uses the majority of water withdrawal and consumption in the U.S.

Front

What percentage of freshwater is available for drinking?

Back

Less than 1% of freshwater is available for drinking.

Front

True or False: Oceans help stabilize the Earth's climate.

Back

True.

Front

What is point source pollution?

Back

Point source pollution is water pollution that comes from a single, identifiable source, such as a pipe or a factory.

Front

Define biomagnification.

Back

Biomagnification is the process by which the concentration of toxic substances increases in organisms at each successive level of the food chain.

Front

What is an aquifer?

Back

An aquifer is a geological formation that can store and transmit water, often tapped for human use.

Front

What is groundwater recharge?

Back

Groundwater recharge is the process by which water from precipitation or surface water infiltrates into the ground and replenishes aquifers.

Front

What are the main causes of water pollution?

Back

The main causes of water pollution include industrial discharge, agricultural runoff, sewage disposal, and plastic waste.