Which federal government agency sets standards for safe, clean drinking water?

Environmental Protection Agency (EPA)

The picture below shows a common landscaping practice.How can this practice cause pollution?

Surface H2O is affected when runoff carries chem from soil.

Which of these statements is true regarding the chemical pollution of water?

Chem pollutants can come from point & nonpoint sources.

Which of the following is a way factories could best reduce their use of clean freshwater?

recycling water used in industrial processes

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WMS Human's Impact on Water

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Questions 11

Answers

1
Eutrophication takes place in a body of water. Which of the following causes eutrophication?
acid rain
thermal pollution
CFCs
excessive nutrients
2
When a power plant discharges warm water into a lake, which type of pollution takes place?
thermal pollution
biological pollution
air pollution
chemicalpollution
3
Which federal government agency sets standards for safe, clean drinking water?
Environmental Protection Agency (EPA)
Federal Bureau of Investigation (FBI)
National Aeronautics and Space Administration (NASA)
Central Intelligence Agency (CIA)
4
Which type of pollution is directly due to humans dumping remains of dead organisms into water?
thermal pollution
urbanization
biological pollution
chemical pollution
5
The picture below shows a common landscaping practice.How can this practice cause pollution?
Drinking H2O is affected when chem seep into ground pipes.
Surface H2O is affected when runoff carries chem from soil.
Animals track mud from one place to another.
Air is affected when chemicals break down & produce gases.
6
A reservoir stores drinking H₂O. What could cause H₂O contamination & loss of native species?
development of a water quality plan
increased use of fertilizer
building a shopping center around the reservoir
improvements to a water treatment facility
7
Which type of pollutants can enter a body of water at a specific, identifiable location?
point-source pollution
biological pollutants
inorganic wastes
Nonpoint source pollution
8
Which of these actions is the best way to reduce eutrophication?
harvesting the algae
reducing the nutrient level
increasing the nutrient concentration
adding chemicals to make the pH of the water more acidic
9
Which of these statements is true regarding the chemical pollution of water?
Chem pollutants are harmful only if in very high levels.
Only a few chemicals dissolve in water.
Chemical pollution is not regulated.
Chem pollutants can come from point & nonpoint sources.
10
Which of the following is a way factories could best reduce their use of clean freshwater?
recycling water used in industrial processes
using less fertilizer in landscaping and agriculture
producing bottled water in larger containers
encouraging employees to drink less water
11
Which of these is the best example of point-source pollution?
urbanization
acid rain
artificial eutrophication
waste discharge from a factory

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