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Questions and Answers
What is the O-horizon primarily composed of?
What is the O-horizon primarily composed of?
- Freshly-fallen & partially decomposed leaves, twigs, animal waste, fungi & organic materials (correct)
- Mainly inorganic mineral particles
- Primarily broken-up bedrock
- Consists of darker & looser organic matter
What does the A-horizon primarily contain?
What does the A-horizon primarily contain?
- Consists of freshly-fallen & partially decomposed leaves, twigs, animal waste, fungi & organic materials
- Mainly broken-up bedrock
- Humus/partially decomposed organic matter & some inorganic mineral particles (correct)
- Primarily inorganic mineral particles
What does the C-horizon consist of?
What does the C-horizon consist of?
- Freshly-fallen & partially decomposed leaves, twigs, animal waste, fungi & organic materials
- Humus/partially decomposed organic matter & some inorganic mineral particles
- Broken-up bedrock, does not contain any organic materials (correct)
- Darker & looser organic matter
What determines the pH of the soil and influences its rate of water absorption & retention?
What determines the pH of the soil and influences its rate of water absorption & retention?
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What causes soil pollution?
What causes soil pollution?
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