Water Review

Which of the following is a true statement about surface water?

• All large cities use surface water as a water source

• Drought conditions reduce the amount of surface water worldwide.

• Sluggish waters make natural lakes poor water sources.

• It makes up less than 1 percent of all water on Earth.

Most of Earth’s fresh water is

• suspended in atmospheric cloud formations.

• held in reservoirs behind large dams.

• solidified at the North and South Poles.

• stored in large underground rock structures

Earth’s surface water is found in

• lakes

• rivers

• streams

• all of the above

What is the relationship between groundwater and surface water?

• Surface water percolates through the soil to form groundwater

• There is no relationship between surface and groundwater; they form independently.

• Groundwater filters through the soil to form surface water.

• Surface water is found in lakes directly above underground water sources

What is the purpose of adding chlorine to water during the water treatment process?

• to filter and remove large debris

• to form flocs that bacteria and other impurities will cling to

• to kill bacteria that have accumulated, as well as prevent future bacterial growth

• to remove unwanted gases

How is fresh water used in industry?

• in manufacturing processes

• in the disposal of waste products

• c. to generate power

• All of the above

Many areas of the world without adequate fresh water have become habitable because

• rainfall patterns have changed

• water management projects have diverted water to the area.

• icebergs have been towed in to provide fresh water.

• water conservation has been implemented.

Which of the following is one way a person could conserve water?

• take a long bath instead of a shower

• wash laundry in small, partial loads

• use a low-flow showerhead and take short showers

• water your lawn daily and at mid-day

Which of the following represents nonpoint-source pollution?

• unlined landfill

• polluted wastewater from a chemical plant

• leaking oil tanker

• runoff from agricultural feedlots

Parasitic worms would be classified as which type of water pollutant?

• pathogen

• organic matter

• inorganic chemicals

• heavy metals