Solved >     68.Water quality in the United States:1502564 …



68.Water quality in the United States has ____ in the past 25 years.



c.remained unchanged

d.improved slightly before a recent deterioration

69.The socialist countries of Eastern Europe have

a.fewer environmental problems than capitalist countries.

b.improved their environment more than the capitalist countries.

c.worse environmental problems than capitalist countries.

d.worsened since the collapse of communism there.

70.The environmental problems of China:

a.were caused by a lack of central planning in the economy.

b.were caused by the burning of low-quality, high-sulfur coal.

c.were caused by a lack of pollution controls.

d.All of the above are correct.

71.Some of the newer pollutants that have appeared

a.are far more visible to the eye than older pollution.

b.cause damage that is easily reversible.

c.pose no significant long-term hazards.

d.are far more dangerous than older forms of pollution.

72.Serious environmental problems are

a.unique to industrial economies.

b.unique to Western economies.

c.unique to civilized economies (i.e., those in which people live mainly in cities).

d.None of the above is correct.

73.Since World War II,

a.air pollution has worsened in most U.S. cities.

b.many new pollutants have been introduced or identified.

c.the federal government has reduced its reliance on economic incentives as a means of reducing pollution.

d.All of the above are correct.

74.China, the last large communist society,

a.has proved that a command economy has far less pollution problems than capitalist economies.

b.has urban smog levels higher than Los Angeles.

c.has the world’s most sophisticated pollution-control devices.

d.has lowered its level of pollution dramatically since 1980.

75.In Eastern Europe and the countries of the former Soviet Union,

a.grave environmental problems plague Eastern Europe.

b.the area suffers from widespread illness and countless premature deaths.

c.the Aral Sea, once the world’s fourth-largest inland sea, is now half its previous size.

d.All of the above are correct.

76.There has been a downward trend in the United States since 1980 in the ambient concentrations of

a.sulfur dioxide.

b.carbon monoxide.


d.all of the above.

77.Many of the new pollutants to which the world has been subjected are

a.less visible.

b.less malodorous.

c.far more dangerous.

d.All of the above are correct. is an online academic writing platform that provides extensive assistance to graduate school students as they work through their research projects, papers and dissertations. gives students access to experienced professionals who can provide the help they need in a timely and efficient manner. The service offers a wide range of services, including editing, proofreading, formatting, researching and more that can give students the confidence they need to write the perfect paper or dissertation for their chosen subject matter.

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