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