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The C horizon of a soil profile is composed of

  • A.Weathered parent material that is not affected by translocation and organic modification
  • B.Material affected by translocation & organic modification
  • C.Unweathered bedrock
  • D.None of the above

Answer: A

The C horizon consists of weathered parent material not yet affected by translocation - broken-down rock that has not been reached by the leaching and accumulation which shape the A and B horizons above. Below it lies unweathered bedrock, the R horizon.

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