Ch. 11 Section 1 and 2 Review

How much of Earth’s water is fresh water?

• 1 %

• 3%

• 77%

• 97%

Which of the following does not make up part of Earth’s surface water?

• wetlands

• rivers

• aquifers

• lakes

Which of the following statements helps to explain why fresh water is a limited resource?

• Most of Earth's water is salt water.

• About 71 percent of Earth's surface is covered by water.

• Most of Earth's freshwater is not liquid water usable by humans

• both a and c

Surface water becomes groundwater when it

• moves below the water table.

• condenses to form drops of liquid water.

• percolates into the recharge zone.

• flows onto the ground through a spring

A rock’s ability to allow the flow of water through it is called

• permeability.

• porosity.

• recharge.

• distribution.

Which of the following activities accounts for the greatest percentage of fresh water used worldwide?

• drinking

• washing

• manufacturing

• irrigating crops

Water treatment involves

• adding pathogens.

• adding mercury.

• adding chlorine

• removing fluoride

Water diversion projects may involve the movement of water to dry regions using

• canals.

• dams.

• reservoirs.

• sprinklers.

Which of the following would be the best way for a desert farmer to reduce water loss from evaporation and seepage and thus conserve water?

• dig deeper wells.

• recycle cooling water and wastewater.

• install low flow toilets.

• install a drip irrigation system

Industrial water use includes which of the following activities?

• irrigation

• power generation

• drinking

• car washing