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1 - ESS 103 || Chapter Nine Questions
1 - ESS 103 || Chapter Nine Questions
13
Environmental Studies
Undergraduate 1
10/22/2018

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Cards

Term
What percentage Earth’s water is fresh water?
Definition
3 percent
Term
Which of the following contrasts between confined and unconfined aquifers is correct?
Definition
Only confined aquifers can produce artesian wells.
Term
Which of the following statements about surface waters is not correct?
Definition
Levees are used to make reservoirs.
Term
Which of the following statements about dams is not correct?
Definition
Most dams are built to generate electricity.
Term
Which of the following statements about aqueducts is correct?
Definition
Aqueducts designed as open canals can lose a lot of water via evaporation.
Term
Which of the following lists of agricultural irrigation techniques is in the correct order, from least efficient to most efficient?
Definition
Furrow irrigation

Flood irrigation

Spray irrigation

Drip irrigation
Term
Which of the following statements about the industrial use of water is not correct?
Definition
Its use is becoming less efficient.
Term
Which of the following statements about nonpoint source (NPS)pollution is not correct?
Definition
NPS is water pollution that originates from a distinct source such as a pipe or tank.
Term
Human wastewater results in which of the following water-pollution problems?
Definition
The organic matter decomposes and reduces dissolved oxygen levels.

Decomposition of organic matter releases great quantities of nutrients.

Pathogenic organisms are carried into surface waters.
Term
Under which of the following circumstances is a sewage treatment plant legally permitted to bypass normal treatment protocol and discharge large amounts of sewage directly into a lake or river?
Definition
When combined volumes of storm water and wastewater exceed the capacity of an older plant
Term
Which of the following inorganic substances is naturally occurring in rocks, soluble in groundwater, and toxic at low concentrations?
Definition
Arsenic
Term
Acid mine drainage results from acidic water formed below ground that makes its way to the surface; the acidic water is formed as a result of the flooding of abandoned mines, where the underground water?
Definition
Reacts with a type of rock, pyrite, which releases iron and hydrogen ions.
Term
All of the following are problems that result from the use of pesticides except?
Definition
Pesticide run-off enters surface waters and increases the solubility of heavy metals.
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