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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
point sources of pollutants
a natural cycle related to cold ocean currents
industrial pollution by oil refineries in the New Orleans region
sewage dumping into the gulf waters.
Question 8.8.(TCO 8) As world populations increase,(Points : 3)
the greatest increases in water demands will occur in the developing world
water demands will nearly double in the developing world
irrigation demands for water will nearly double
agricultural demands will increase in developed countries
All of the above
Question 9.9.(TCO 8) The impact of global warming on the water cycle is expected to produce(Points : 3)
more precipitation
fewer droughts
fewer hurricanes
greater agricultural productivity in currently water-stressed regions
the water cycle will drop.
Question 10.10.(TCO 8) The world’s largest multi-purpose Hydro Electric Power Plant (HEPP) is on The ________.(Points : 3)
Yangtze River in China
Mississippi River in the USA
Nile River in Egypt
Rhine River in Germany
Amazon River in Brazil
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