AnswersSNHS NV-Environmental ScienceWhat Are Natural Resources?

Minerals and Mining Answers

0 verified answers2 views
1
Free Preview

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

A
T
B
F
2
Free Preview

Which of the following readings is used to determine the availability of minerals?

A
radioactivity
B
magnetism
C
gravity
D
all of the above
3

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
4

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
5

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

A
industry
B
construction
C
technology
D
all of the above
6

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.
7

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.
8

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

A
T
B
F
9

Mining has only short-term effects on the Earth.

A
T
B
F
10

What are the two types of minerals?

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

Did you find these answers helpful?