Soil Profile

Which layer of soil contains lots of roots and minerals for growing plants?

• Topsoil

• Subsoil

• Bedrock

• parent material

Which of the horizons in the soil profile shown represent the organic material?

• Horizon O (Humus)
• Horizon A
• Horizon B
• Horizon C

Which layer is the parent material?

• Horizon O

• Horizon A

• Horizon B

• Horizon C

• Horizon R

Which layer is the subsoil?

• Horizon O

• Horizon A

• Horizon B

• Horizon C

• Horizon R

The horizon contains partly weathered rock

• C Horizon
• A Horizon
• B Horizon
• Bedrock

The horizon is called the subsoil, usually consist of clay and other particles leached down from the A Horizon

• B Horizon
• A Horizon
• Erosion
• Bedrock