Which of the following best explains how subsoil becomes rich in minerals?
A.
Volcanic activity heats the rock fragments in the subsoil and releases minerals.
B.
Minerals from the topsoil leach down into the subsoil.
C.
Groundwater flows through the subsoil and deposits minerals.
D.
The bedrock below the subsoil is broken down into smaller particles.
Minerals from the topsoil leach down into the subsoil.
Explanation:
Cause the other answer that some uneducted dude put was WRONG, it is not "Volcanic activity heats the rock fragments in the subsoil and releases minerals."
