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1 vote
The decayed organic material that gives soil its dark brown or black color is called

A) clay.
B) humus.
C) loam.
D) silt.

User Bandana
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2 Answers

7 votes
B. Humus

Humus is the decomposition of leaves and other plant organisms
User Yuki Kutsuya
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4 votes
That would be B humus
User Alex Korban
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