Layers of Soil

It is a natural body comprised of solid (minerals and organic matter), liquid and gases occurs on the land surface.

• soil

• matter

It is the lowest of the soil layer. it is made up of undisturbed large boulders and gravel. It made up of materials good for constructing buildings and making roads.

• Sub-soil

• Top Soil

• Bedrock

It is the uppermost layer of the soil. This layer is rich with organic materials called humus and with minerals needed for plant growth.

• Parent Rock

• Topsoil

• Bedrock

It is located just below the topsoil. it is composed of loosely arranged rocks, sand, and clay.

• Subsoil

• Bedrock

• Parent Rock

it is composed of rocks that are slowly breaking apart. it is exposed to very little weathering.

• Subsoil

• Topsoil

• Parent Rock