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Wrogue Wrogue
wrote...
Posts: 4833
10 years ago
The upper layer in a diagnostic horizon is called the ________.
A) silica
B) epipedon
C) eluviation
D) podzol
E) illuviation
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2 Replies

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Replies
wrote...
10 years ago
Choice C
Wrogue Author
wrote...
10 years ago
Thanks.
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