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Exam 18: Environmental Issues

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Question 21

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Scientists estimate that about ________ percent of the earth's water is available for human use.

A) 0.014
B) 1.0
C) 12.0
D) 25.0

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Question 22

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Americans consume more resources,generate more pollution,and discard more waste than any other people on the planet.

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Question 23

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The average home in the United States generates about ________ pounds of hazardous waste annually.

Scientists estimate that only 0.014 percent of the earth's water is readily available for human use.

Without the greenhouse effect,the earth's temperature would be much colder and less hospitable to life.

An ecological ________ is a resource management tool that is used to compare human consumption of natural resources with the planet's ecological capacity to regenerate used resources.

The Environmental Protection Agency has specific regulations that pertain to ________ waste,any solid waste that is generated in the diagnosis,treatment,or immunization of human beings or animals.

A highly reactive gas that is poisonous to most living organisms and is composed of three atoms of oxygen is ________.

Which of the following statements about deforestation is NOT true?

Forests that have flourished for several hundred years are called ________ forests.

The Air ________ Index measures air pollution and is issued daily by the EPA.

The United Nations predicts the world population will reach roughly ________ people by 2050.

Acid ________ is a broad term that describes several ways in which acids drop out of the atmosphere onto the earth's surface,in either dry or wet form.

The presence of one or more chemicals in the atmosphere that are of sufficient quality and quantity to cause harm to all forms of life and materials is referred to as ________ pollution.

Which law established national emission standards for more than 188 different air pollutants?

Global carrying capacity is the number of people the earth can support at ________ levels.

The two major sources of pollutants involved in acid deposition are nitrogen dioxide and

Aquifers are large rivers.

The innermost layer of the atmosphere is called the

Dependence on oil,coal,and natural gas is the primary cause of air pollution,water pollution,and global warming.