Chapter 11, Water 1)The total amount of water on the Earth ____________ from year to year and the hydrologic cycle ________________

Chapter 11, Water

1)The total amount of water on the Earth ____________ from year to year and the hydrologic cycle ________________.     

A.stays about the same; moves it from one place to another place

B.increases; captures it from the incoming solar radiation

C.increases; gains water from the Earth's interior

D.decreases; moves it from one place to another place

E.decreases; loses water to the atmosphere

2 Most water in the atmosphere has evaporated from the ocean, and ______ rain falls back into the sea. About ________ % of the earth's total rain falls on land.       

A.most; 10

B.most; 20

C.less; 55

D.less; 70

3 The hydrologic compartment that contains the greatest amount of fresh water is

 A. groundwater.

B.the Great Lakes.

C.living organisms and biomass.

D.ice and snow.

E.clouds in the atmosphere.

4 The place where aquifers are most likely to be contaminated is at    

A. artesian springs.

B.seeps and other outlets.

C.recharge zones.

D.all discharge and recharge areas.

E.the zone of aeration.

5 A country's renewable water supplies are generally made up of    

  A. surface runoff and infiltration into accessible aquifers.

B. seasonal flooding and infiltration into accessible aquifers.

C.seasonal flooding.

D.rivers running through the country.

E.water used from an aquifer.

6 Which of the following factors is the most important factor in determining whether a country is "water rich" or "water poor"?            

A.population density

B.country size

C.climate

D.rivers running through the country

E.renewable water supplies and population density

7 Withdrawal is the total amount of water       

A.lost in transmission, due to evaporation or leakage.

B.taken from rivers, lakes, or aquifers.

C.used in manufacturing or agriculture.

D.altered or polluted in human activities.

E.lost due to chemical transformation because of human use.

8 A method of increasing water supplies that has been successful, if expensive, is                

 A. desalination by reverse osmosis.

B.cloud seeding.

C.towing icebergs by ship from polar regions.

D.altering the climate's convection currents.