Weathering and Erosion Answers

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1
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Which of the following is a result of natural erosion?

A
desert sands
B
lost seed germination
C
widened valleys
D
all of the above
2
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Which of the following is an example of chemical weathering?

A
waves washing over rocks on the beach
B
acid rain falling on sidewalks
C
ice forming in the cracks of rocks
D
wind blowing against rocks
3

When rocks are broken down by heat and pressure, chemical weathering has taken place.

A
T
B
F
4

Weathering occurs as a result of direct contact with the atmosphere.

A
T
B
F
5

Animals do not contribute to natural erosion.

A
T
B
F
6

Which is an example of natural erosion?

A
ice forming in cracks of rocks
B
acid rain falling on sidewalks
C
waves washing over rocks on the beach
D
water washing away soil in an area with off-road vehicles
7

Which of the following is characteristic of both weathering and erosion?

A
occurs naturally
B
caused by burrowing animals
C
occurs with movement
D
caused by the pull of gravity
8

Erosion occurs based on the movement of water, wind, or ice over a surface and typically moves on the downward-creep slope because of

Answer not available
9

Why is artificial erosion a concern if erosion can occur naturally?

A
Artificial erosion changes environments while natural erosion does not.
B
Artificial erosion occurs at a faster rate than natural erosion.
C
Artificial erosion affects soil while natural erosion does not.
D
Artificial erosion is of no concern.
10

Which of the following is a way that humans speed up the process of erosion?

A
urban development
B
hiking
C
deforestation
D
all of the above

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Weathering and Erosion Answers — PMHS…