AP Environmental Sciencemediummcq1 pt
Which soil layer is known as the subsoil, where minerals leached from above accumulate?
A.B horizon
B.A horizon
C.O horizon
D.Bedrock
Explanation
Core Concept
Clay and minerals washed from the A horizon collect in the B horizon, sometimes forming a hardpan that blocks roots and water.
Correct Answer
AB horizon
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