AnswersLVA - Earth and Space Science - SPRINGWeathering and Erosion

Weathering and Erosion Answers

8 verified answers1 views
1
Free Preview

Which of the following statements about erosion is true?a.Erosion occurs as a result of drastic changes in temperature.b.Erosion occurs when wind or water moves over sediment, soil, or rocks.c.Physical and chemical are the two types of erosion.d.Movement is not required for erosion to take place.

A
A
B
B
C
C
D
D
2
Free Preview

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
3

Which of the following statements about artificial erosion is true?a.Artificial erosion can occur 100 times faster than natural erosion.b.Farming practices do not contribute to artificial erosion.c.Artificial erosion causes a loss of fertile soil.d.Artificial erosion is only caused by recreational activities.

A
A
B
B
C
C
D
D
4

most likely

g
grassland
f
forest
c
coastline
r
rainforest
5

Animals do not contribute to natural erosion.

T
T
F
F
6

How is chemical weathering different from physical weathering?a.Physical weathering involves the movement of substances while chemical weathering does not.b.Chemical weathering occurs through human action while physical weathering occurs naturally.c.Physical weathering is mechanical breakdown, while chemical weathering involves the chemical breakdown of substances.d.Chemical weathering causes less drastic changes than physical weathering.

A
A
B
B
C
C
D
D
7

Which of the following is characteristic of both weathering and erosion?a.occurs naturallyb.caused by burrowing animalsc.occurs with movementd.caused by the pull of gravity

A
A
B
B
C
C
D
D
8

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

A
T
B
F
9

Which of the following is a result of natural erosion?a.desert sandsb.lost seed germinationc.widened valleysd.all of the above

A
A
B
B
C
C
D
D
10

Which of the following is not a possible cause of erosion?a.burrowing animalsb.gravityc.waterd.none of the above

A
A
B
B
C
C
D
D

Did you find these answers helpful?

More from this Course

Quiz
10 verified answers

A History of Global Climate Change

Quiz
10 verified answers

Wind

Quiz
10 verified answers

Water on Earth

Weathering and Erosion Answers — LVA - Earth and…