SCI204 Water Pollution and Management

This paper discusses the causes, effects, and management strategies for water pollution.

Violet Stevens
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SCI204 Water Pollution and Management
Devry SCI204 week 5 quiz
Question 1.1.(TCO 8) Which of the following contains the least amount of water?(Points : 3)
Oceans
Polar ice caps and glaciers
Accessible freshwater
Total freshwater
Saltwater seas
Question 2.2.(TCO 8) Which of the following leads to increased inputs of phosphorus into
waterways?(Points : 3)
The use of crop rotation in agriculture
Forest fires
The combustion of fossil fuels
The use of chemical fertilizers in agriculture
Condensation and precipitation
Question 3.3.(TCO 8) Pollution includes(Points : 3)
dumping detergents into streams, causing fish kills
spraying with DDT, lowering the eagle population
releasing gases from coal combustion, causing acid rain
allowing fertilizer runoff from cropland
All of the above
Question 4.4.(TCO 8) A major water related health problem in developing countries is that
(Points : 3)
groundwater is usually contaminated with human waste
groundwater is usually contaminated with industrial wastes.
groundwater is not available
surface waters used for water supplies are often contaminated with human wastes
surface waters are contaminated with industrial wastes
Question 5.5.(TCO 8) The best way to reduce the pollution of agricultural fertilizer runoff from
farm fields is(Points : 3)
to treat the water before it reaches streams or rivers
to reduce the amount fertilizer leaving the farm fields
to add chemicals into the rivers and streams that neutralize the fertilizers
to raise crops in the rivers and streams that use the fertilizers
None of the above
Question 6.6.(TCO 8) According to the Environmental Protection Agency, the greatest current
water pollution challenge in the United States is illustrated by(Points : 3)
sewage-treatment effluent
agricultural runoff
fluids released from oil wells.
discharge of substances from factories
household waste
Question 7.7.(TCO 8) The dead zone in the Gulf of Mexico is primarily the result of(Points : 3)
nonpoint sources of pollutants
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Document Details

University
Colorado Technical University
Subject
Environmental Science

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