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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 ManagementDevry SCI204 week 5 quizQuestion 1.1.(TCO 8) Which of the following contains the least amount of water?(Points : 3)OceansPolar ice caps and glaciersAccessible freshwaterTotal freshwaterSaltwater seasQuestion 2.2.(TCO 8) Which of the following leads to increased inputs of phosphorus intowaterways?(Points : 3)The use of crop rotation in agricultureForest firesThe combustion of fossil fuelsThe use of chemical fertilizers in agricultureCondensation and precipitationQuestion 3.3.(TCO 8) Pollution includes(Points : 3)dumping detergents into streams, causing fish killsspraying with DDT, lowering the eagle populationreleasing gases from coal combustion, causing acid rainallowing fertilizerrunoff from croplandAll of the aboveQuestion 4.4.(TCO 8) A major water related health problem in developing countries is that(Points : 3)groundwater is usually contaminated with human wastegroundwater is usually contaminated with industrial wastes.groundwater is not availablesurface waters used for water supplies are often contaminated with human wastessurface waters are contaminated with industrial wastesQuestion 5.5.(TCO 8) The best way to reduce the pollution of agricultural fertilizer runoff fromfarm fields is(Points : 3)to treat the water before it reaches streams or riversto reduce the amount fertilizer leaving the farm fieldsto add chemicals into the rivers and streams that neutralize the fertilizersto raise crops in the rivers andstreams that use the fertilizersNone of the aboveQuestion 6.6.(TCO 8) According to the Environmental Protection Agency, the greatest currentwater pollution challenge in the United States is illustrated by(Points : 3)sewage-treatment effluentagricultural runofffluids released from oil wells.discharge of substances from factorieshousehold wasteQuestion 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
Course
SCI 204
Subject
Environmental Science

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