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20 questions
Supplies of potable freshwater are in short supply in many parts of the world because
of pollution of lakes and rivers.
irrigation uses all of the freshwater is many areas.
salt water intrusion.
None of these are correct.
Water enters the atmosphere because of
plants releasing water from their surfaces.
evaporation from lakes, rivers, and oceans.
evaporation from the soil surface.
All of the statements are correct.
Which of the follow pairs of terms are related to one another?
groundwater and evaporation
groundwater and aquifer
groundwater and runoff
confined aquifer and water table
Eutrophication occurs when
nutrient increase causes excessive aquatic plant growth.
point source pollutants enter the groundwater.
fecal coliform bacteria enters drinking water.
an industry returns heated water to its source.
Which of the following is a source of nonpoint water pollution?
runoff from city streets.
dust and other air pollutants that enter water.
agricultural runoff.
All options are examples of nonpoint water pollution.
None of the options are an example of nonpoint water pollution.
Thermal pollution of water is primarily from
runoff from streets.
increasing temperature due to climate change.
release of heated water from industry.
All of these are correct.
Which of the following is a source of groundwater contamination?
the use of fertilizer and pesticides.
septic tanks.
ponds on the surface that store liquid waste.
All of these are correct.
The porous layer where water accumulates in the ground is called a(n) (a)
The major consumptive use of water in most parts of the world is for (a)
Which of the following removes larger particles from sewage by screening or settling?
tertiary sewage treatment
activated sludge sewage treatment
secondary sewage treatment
primary sewage treatment
On a worldwide basis, which of the following uses the least water?
industry.
agriculture.
hydroelectric power plants
domestic uses (drinking, cooking toilets, etc.)
What two activities use the most water for a typical North American family of four?
bathing and cooking
dishes and drinking
lawns and toilets
laundry and car washing
Bottled water
has fewer contaminants than water from a municipal water system.
costs more than water from a municipal water system.
is always distilled.
None of these statements are correct.
The energy needed to drive the hydrologic cycle is provided by the sun.
TRUE
FALSE
Water that infiltrates the soil and is stored underground is called runoff.
TRUE
FALSE
The amount of runoff and evaporation is directly related to land use.
TRUE
FALSE
Much bottled water is actually processed tap water.
TRUE
FALSE
Water is a renewable resource that circulates continually between the atmosphere and:
The ozone
The temperate zone
The outer limits
The Earth’s surface
Which of the following would be considered an example of water pollution (choose all that apply)?
High levels of bacteria that would make people sick
Oil that leaks into ground water that prevents drinking the water
Soil that erodes from a hillside into a local stream reducing the ability of aquatic plants to photosynthesize
Increase in water temperature from a factory dumping clean but warm water back in that reduces some of the species from occurring there.
Check all that is considered to be "point source" water pollution.
Logging area runoff
Golf course runoff
Drain pipes
Sewer Outfalls
Ditches
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