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Which substance would be predominate in the top layer of soil? A. Pumice B. Humus C. Calcite D. Quartz
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Jul 1, 2017
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Which substance would be predominate in the top layer of soil?
A. Pumice
B. Humus
C. Calcite
D. Quartz
Biology
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Bas Kuis
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b: Humus
Hope this helps!
Simon Peverett
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Jul 7, 2017
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Simon Peverett
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