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Practice Quiz
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1

Environmental science is a combination of the disciplines involved with the natural sciences, social sciences and politics.
A)True
B)False
2

Use of water from the Colorado River in the US for irrigation reduces the quality and quantity of water entering Mexico.
A)True
B)False
3

Maintaining biodiversity benefits the ecosystem, but not the economy.
A)True
B)False
4

An ecosystem's approach
A)Describes the environment
B)Counts the numbers of plants and animals
C)Examines the way the natural world is organized and the interactions of all its parts
D)None of the above
5

Severe climates of the northern regions make this ecosystem less susceptible to mining and oil exploitation.
A)True
B)False
6

Agriculture is a source of
A)Air pollution
B)Soil erosion
C)Siltation of rivers and lakes
D)All of the above
7

The Midwestern US is dominated by
A)Agriculture
B)Wilderness
C)Public Lands
D)All of the above
8

The Arid Western US is dominated by
A)Agriculture
B)Wilderness
C)Government lands
D)Private Lands
9

Urban demand for water and agricultural demand for water in the dry western US has been successfully managed by the US government.
A)True
B)False
10

Lands in the dry western US have deteriorated due to
A)Grazing
B)Introduction of grasses for livestock
C)Use of water for irrigation and urban development
D)All of the above
11

Selling timber rights at a loss in the forested western US increases the chances of land preservation.
A)True
B)False
12

The US has a ban on the cutting of any old growth forest in the western US.
A)True
B)False
13

The Great Lakes and east coast river and harbor sediments are contaminated with bioaccumulating toxic chemicals dumped by industries.
A)True
B)False
14

The South's economy relies predominantly only on
A)Forestry
B)Agriculture
C)Tourism
D)All of the above
15

Environmental problems can be easily resolved by state governments.
A)True
B)False





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