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Minerals and Mining Answers

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3

What is the most likely consequence of open pit mining on plant life?

A
a dramatic reduction in the variety of plant species
B
an increase in the number of plant species
C
the complete loss of plant life in the area occupied by the surface mine
D
a temporary decrease in plant populations
4

What is most likely to happen to an abandoned strip mine over time?

A
The strip mine is likely to completely recover over time.
B
The strip mine is likely to remain exactly as it is left when abandoned.
C
The strip is likely to partly recover, but never return to its original state.
D
The strip mine is likely to become a lake.
5

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
6

Which of the following is a way that minerals are used?

A
industry
B
construction
C
technology
D
all of the above
7

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.
8

What are the two types of minerals?

A
industrial and environmental
B
valuable and invaluable
C
metallic and nonmetallic
D
important and unimportant
10

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

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Minerals and Mining Answers — Environmental…