The Importance of Trees Answers

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1
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Which of the following is not a consequence of moving from underground mining to surface mining?

A
increased land degradation
B
increased water and air pollution
C
mining collapses
D
changes to the landscape
2
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Why does mining have such an impact on the environment?

A
Mining only affects the living parts of the environment.
B
Because minerals are within the Earth’s surface, extraction causes destruction.
C
Mining requires the absolute destruction of an area to be cost-effective.
D
Areas that are mined can never again sustain plant life.
3

What are the two types of minerals?

A
industrial and environmental
B
valuable and invaluable
C
metallic and nonmetallic
D
important and unimportant
4

Which of the following is a long-term consequence of mining on the Earth?

A
erosion
B
an open pit
C
sedimentation
D
all of the above
5

Mining has only short-term effects on the Earth.

A
T
B
F
6

A mineral is a naturally occurring solid with a regular, repeating structure.

A
T
B
F
7

Minerals are mined both at the Earth’s surface and below it.

A
T
B
F
8

Which of the following is not a long-term effect of mining in the Picher Mining District?

A
increased levels of lead in the bloodstream
B
increased incidents of kidney disease
C
increased levels of particulates in the air
D
increased amounts of vegetation
9

Reclamation restores an environment affected by mining to a state where it can sustain its ecosystem.

A
T
B
F
10

Which type of mining is likely the least harmful to the environment?

A
surface mining
B
placer mining
C
subsurface mining
D
none of the above

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