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Biology, 20.12.2019 21:31 dieguezisabel
The mineral particles found in the layers of a soil, including the topsoil and subsoil layers, were originally weathered from a. the soil's humus. b. organisms living in the soil. c. the soil's groundwater. d. the soil's parent material.
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The mineral particles found in the layers of a soil, including the topsoil and subsoil layers, were...
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