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- 1. Multiple Choice
This layer of soil is the deepest layer and consists of solid masses of rock
Humus
Topsoil
Subsoil
Parent Material
Bedrock
- 2. Multiple Choice
This layer of soil is only a few inches thick, but is very rich in nutrients
Humus
Topsoil
Subsoil
Parent Material
Bedrock
- 3. Multiple Choice
This layer of soil is made up of broken up rocks but with very little organic matter
Humus
Topsoil
Subsoil
Parent Material
Bedrock
- 4. Multiple Choice
This layer of soil is called ________________ because the upper layers develop from this layer
Humus
Topsoil
Subsoil
Parent Material
Bedrock
- 5. Multiple Choice
This layer of soil is known as the organic layer and contains plant remains
Humus
Topsoil
Subsoil
Parent Material
Bedrock
- 6. Multiple Choice
This soil type has the smallest particle size and holds the most amount of water
Sand
Loam
Silt
Clay
- 7. Multiple Choice
This type of soil is the best soil for plants to grow in
Sand
Loam
Silt
Clay
- 8. Multiple Choice
This soil type has the largest particle size and holds the least amount of water
Sand
Loam
Silt
Clay
- 9. Multiple Choice
This soil type has medium sized particles and drains easily, making it good for farming
Sand
Loam
Silt
Clay
- 10. Multiple Choice
Soil forms in layers known as
Erosion
Deposition
Weathering
Horizons
- 11. Multiple Choice
The process by which rocks are broken down into smaller and smaller pieces
Weathering
Erosion
Deposition
- 12. Multiple Choice
The process through which rocks and soils are worn away by wind, water, and ice
Weathering
Erosion
Deposition
- 13. Multiple Choice
Which of the following is NOT a category used to classify soil
Texture
Mineral content
Size of the particles
Weight
- 14. Multiple Choice
Which of the following is NOT a cause of the Dust Bowl?
Strong winds
Years of dry weather/ drought
Terracing
Overgrazing of cattle
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