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Questions and Answers
What are the finest particles in soil composed of?
What are the finest particles in soil composed of?
- Colloids (correct)
- Silts and sands
- Grit and gravel
- Clay and humus
Which of the following is NOT a characteristic of soil colloids?
Which of the following is NOT a characteristic of soil colloids?
- Large particle size (correct)
- High water-holding capacity
- Chemical reactivity
- High surface area
What is the primary function of colloids in soil water balance?
What is the primary function of colloids in soil water balance?
- To regulate soil temperature
- To facilitate soil aeration
- To increase soil porosity
- To retain water in the soil (correct)
Which of the following is a direct consequence of soil colloids' high surface area?
Which of the following is a direct consequence of soil colloids' high surface area?
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What is the term for the ability of soil to retain and release water?
What is the term for the ability of soil to retain and release water?
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