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1. What is erosion?
A
The process of melting rocks and soil.
B
The process of building up rocks and soil.
C
The process of wearing away or breaking down rocks and soil.
2. Which of the following is NOT a type of erosion?
A
Wind erosion
B
Volcanic erosion
C
Water erosion
3. What is the main agent of water erosion?
A
Running water
B
Ocean waves
C
Rainfall
4. What is wind erosion?
A
The process of soil particles being carried away by gravity.
B
The process of soil particles being carried away by water.
C
The process of soil particles being carried away by wind.
5. What is glacier erosion?
A
The process of glaciers freezing and expanding.
B
The process of glaciers melting and forming rivers.
C
The process of glaciers moving and scraping the land.
6. What is the main cause of erosion?
A
Human activities like deforestation and construction.
B
Chemical reactions in the soil.
C
Natural forces like wind, water, and ice.
7. What is the difference between erosion and weathering?
A
Erosion and weathering are the same process.
B
Erosion is the movement of rocks and soil, while weathering is the breaking down of rocks and soil.
C
Erosion is the breaking down of rocks and soil, while weathering is the movement of rocks and soil.
8. Which of the following can slow down erosion?
A
Building more roads and buildings.
B
Increasing the use of heavy machinery.
C
Planting trees and vegetation.
9. What is erosion?
A
The process of building up the earth's surface by wind, water, or ice.
B
The process of wearing away of the earth's surface by wind, water, or ice.
C
The process of breaking down rocks into smaller pieces.
10. Which of the following is a major cause of erosion?
A
Plants
B
Sunlight
C
Water
11. What is the main force behind water erosion?
A
Running water
B
Tides
C
Rainfall
12. Which type of erosion is caused by wind?
A
Wind erosion
B
Water erosion
C
Glacial erosion
13. What is the process of erosion by ice called?
A
Chemical erosion
B
Wind erosion
C
Glacial erosion
14. What is the term for the wearing away of rocks by rubbing against each other?
A
Abrasion
B
Weathering
C
Deposition
15. Which of the following can slow down erosion?
A
Droughts
B
Floods
C
Vegetation
16. What is the process of erosion caused by gravity called?
A
Deposition
B
Chemical erosion
C
Mass movement
17. Which of the following is an example of erosion?
A
A river carving a canyon
B
A volcano erupting
C
A mountain forming
18. What is the term for the process of sediment being dropped in a new location?
A
Deposition
B
Erosion
C
Weathering