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Questions and Answers
What causes rocks to break during disintegration?
What causes rocks to break during disintegration?
- Exposure to sunlight
- Chemical reactions in the rock
- Pressure from plant roots (correct)
- Earthquakes
What is soil made up of?
What is soil made up of?
- Pure sand
- Rocks and minerals
- Loose weathered rocks and decayed organic matter (correct)
- Clay and water
How long does it take for fertile soils to form from the disintegration of parent rocks?
How long does it take for fertile soils to form from the disintegration of parent rocks?
- Decades
- Thousands of years (correct)
- A few years
- Hundreds of years
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