Which of the following best explains how subsoil becomes rich in minerals?
minerals from the topsoil leach down into the subsoil.

volcanic activity heats the rock fragments in the subsoil and releases minerals.

groundwater flows through the subsoil and deposits minerals.

the bedrock below the subsoil is broken down into smaller particles.

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.