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3 votes
The soil horizon is composed of _____.

a.
humus, subsoil, and weathered rock
b.
humus, groundwater, and aquifer
c.
humus, subsoil, and groundwater
d.
humus, groundwater, and weathered rock

User JesperSM
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1 Answer

3 votes
Hello there.

The soil horizon is composed of

humus, subsoil, and weathered rock
User Pymarco
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