Water Quiz--APES

Once an aquifer is empty, it cannot be recharged.

• true
• false

Which is true of desalination?

• The technique of distillation requires less energy than reverse osmosis
• Brine can be dumped on land to help crops. 
• Desalination plants are common in developing nations
• The technique of reverse osmosis leaves brine. 

When deep wells are heavily pumped, one result can be:

• decreased groundwater recharge
• spring formation
• a cone of depression
• a rise in the water table

Groundwater recharge:

• is the result of precipitation
• occurs rapidly in confined aquifers
• does not occur in unconfined aquifers
• sometimes occurs as a spring

In the United States, most water is used for:

• agriculture
• domestic use
• industry
• hydroelectric power

A water efficient washer costs $400 more than a regular washer and saves 100 Liters of water for each load.  If water costs $5 per 1000 L and you wash 100 loads each year, how many years will it take to recoup the extra cost of the machine?

• 10
• 8
• 5
• 4

What % of the water on Earth is fresh water?

• 3%
• 10%
• 70%
• 97%

Which of the following is NOT a water conservation technique?

• Reduced flow shower heads
• Use of gray water
• Flood irrigation
• Front loading washing machines

Which of the following would NOT help prevent future flooding?

• Building of Dams
• Protecting wetlands
• Protecting Forests
• Expansion of urban areas

Which kind of lake has the highest productivity and would have mainly deciduous trees on its shore line?

• Oligotrophic
• Mesotrophic
• Eutrophic
• Autotrophic