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Question

Which three layers form the soil profile?
  1. Air, water and soil
  2. Minerals, organic matter and living organisms
  3. Clay, silt and sand
  4. The topsoil, subsoil and parent material

A
Air, water and soil
B
Minerals, organic matter and living organisms
C
Clay, silt and sand
D
The topsoil, subsoil and parent material
Solution
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