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Time4learning Middle School Earth and Space Science: Soil
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Time4learning Middle School Earth and Space Science: Soil
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20 Questions

1. Soil A and Soil B have two different soil profiles. Which feature would be least useful in comparing them?
2. Which soil horizon contains the most subsoil?
3. Soil A and Soil B have two different soil profiles. Which feature would be least useful in comparing them?
4. Horizon B is also called _____.
5. _____ soil holds water, physically supports plants, and contains many nutrients and elements needed by plants.
6. Horizon C is also called _____.
7. Which is most likely to occur to native plants when the chemical composition of the soil they live in changes?
8. Horizon B is also called _____.
9. In which soil horizon would the most weathered bedrock be found?
10. Horizon A is also sometimes called _____.
11. The two main types of weathering that help create soil are _____.
12. In which soil horizon would the most weathered bedrock be found?
13. If you were to move farther and farther down into the ground below a field containing many trees and other plants, you would encounter more and more _____.
14. The two main types of weathering that help create soil are _____.
15. Which of these substances would a soil layer close to the surface least likely contain?
16. Decomposed organic material is called ____.
17. Decomposed organic material is called ____.
18. Which soil horizon contains bedrock?
19. Horizon C is also called _____.
20. Which soil horizon contains the most subsoil?