Sophiiiiamm1820 Sophiiiiamm1820
  • 23-10-2017
  • Geography
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The "a" horizon or combined "o/a" horizons of the soil are known as the ________.

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Kalahira
Kalahira Kalahira
  • 01-11-2017
the layer of soil below the O horizon, composed of a mixture of of humus, sand, silt, and clay; combines the O horizon to form topsoil
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