Water Resources

More than 97% of Earth's total water supply is found in

• the oceans

• the atmosphere

• groundwater

• ice sheets

Virginia Beach is part of which watershed?

• Chesapeake Bay

• Rudee Inlet

• Atlantic Ocean

• Ohio River Valley

Obtaining fresh water from salt water uses which process?

• coagulation

• filtration

• hydrolysis

• desalination

79% of Earth's fresh water is found in

• oceans

• glaciers & ice caps

• lakes & rivers

• atmosphere

The All-American Canal, which brings water from the Colorado River to farm fields in California, is an example of a

• dam

• water diversion

• reservoir

• well

Which of the following does NOT contribute to water conservation?

• drip irrigation

• xeriscaping

• using low-flow faucets & shower heads

• watering lawns during peak sunlight hours, when plants need it the most

An oil spill is an example of

• point-source pollution

• nonpoint-source pollution

• reversible pollution

• natural pollution

Chlorine is often added during water treatment to

• make particles form clumps

• kill disease-causing organisms

• improve the taste of water

• remove objects such as fish and trash

A serious problem that results from groundwater depletion is

• building floodings

• pipes breaking

• salt water moves into aquifers

• cities sinking

• all of the above

Why are dams created?

• fisheries decline

• create reservoirs

• habitat alteration

• population displacement

• none of the above