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Biology, 19.01.2021 18:50 Savy8595

The cross section below shows layers of soil. Which two processes produced the layer of dark brown to black soil? A. melting and solidification of magma
B. erosion and uplifting
C. weathering and the activity of animals and bacteria
D. compaction and cementation

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The cross section below shows layers of soil. Which two processes produced the layer of dark brown t...
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