Term
the stable oxidation states of C |
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Definition
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Term
the most abundant element in Earth's crust |
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the 2nd most abundant element in Earth's crust |
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Term
the only valence state Si exists in |
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Term
the composition of soils is influenced by... |
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Definition
the soil forming factors, particularly parent material and intensity of weathering (climate and time) |
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Term
intensity of weathering can depend on... |
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Term
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Definition
this describes the enrichment or depletion of an element in soils relative to the Earth's crust |
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Term
how to calculate enrichment ratio (ER) |
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Definition
ER = (median element concentration in soil) / (its mean concentration in the Earth's crust) |
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Term
enrichment ratios (ER) that show no depletion or enrichment |
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Definition
between 0.5 and 2
values that lie in this range are not different from ER = 1 |
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Term
enrichment ratios (ER) that show depletion |
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Definition
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Term
enrichment ratios (ER) that show some enrichment |
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Definition
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Term
enrichment ratios (ER) that show strong enrichment |
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Definition
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