Three percent of the earth's water is __________.
ice water
fresh water
salt water
rain water
Which of the following is an example of precipitation?
sleet
hail
snow
all of the above
If groundwater reaches earth's surface, how does it reenter the water cycle?
by transpiration
by evaporation
by accumulation
it can't
Fertilizer, sewage, and animal feces can wash in to water, leading to...
thermal pollution
eutrophication
photosynthesis
industrial pollution
Water that is stored in pores, soil, sediments and rocks is known as_____________?
salt water
freshwater
soil water
groundwater
How can we help prevent water pollution?
(There is more than one answer.)
Use less detergents
Do not pour grease down the drain
Allow farm waste to wash off into the lakes.
Use less fertilizers on yards and crops
How is fresh water used in industry?
in manufacturing processes
to generate power
in the disposal of waste products
all of the above
Point source pollution and non-point source pollution differ in
the number of sources from which the pollution is discharged
the kind of biological agents causing the pollution
whether the source of pollution is agricultural or industrial
whether the pollutants are chemical or physical agents
Sewage leaking from a pipe.
Point Source Pollution
Non-point source pollution
Septic tank leaking and contaminating groundwater.
Point Source Pollution
Non-point source pollution
In a home residence,
how is most of the water used?
Toilet
Bath/shower
Faucet
Dishwasher
Which of the following affects how freshwater is used?
Age
Population size
Education
GPA
The waste from a pig farm is washing off into a river during rainstorms.
Point source
Non-point source
What does EPA stands for:
Environmental Protection Agency
Emergency Patrol Academy
Environmental Protection Academy
Emergency Protection Agency
In the process of eutrophication, dissolved oxygen levels decrease in water bodies because of ______
Decomposition of dead organisms
Evaporation
Drought
None of these
In industrial water use, what is most of it used for?
Toilets
Cooling power plants
Making goods
Waste disposal
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