Weathering, Erosion, and Soil

What is the layer of soil that contains humus, leaf litter, and other organic matter?

• O - Organic
• A - Topsoil
• B - Subsoil
• R - Bedrock

What is the correct order of the soil profile?

• OBCA
• ABCO
• OABC
• ABCD

Layers of soil are also known as:

• Soil Profiles
• Soil Horizons
• Soil sheets
• Soil cores

Which layer of soil is also known as the zone of the accumulation and contains clay-like minerals?

• A - Topsoil
• O - Organic
• B - Subsoil
• C - Partially Weathered Parent Material

Which layer is the bottom of the soil profile?

• C - Parent Material
• D - Separated rock
• C - Melted Rock
• A - Topsoil

Which layer of soil contains bedrock that has been cracked slightly?

• A - Topsoil
• B - Subsoil
• C- Partially Weather Parent Material
• O -  Organic

Which of the following is the most important soil formation factor

• Time
• Climate
• Slope
• Organisms

Which of the following is an example of mechanical weathering?

• Acidic groundwater dissolving limestone
• frost wedging
• Paper being burned

Which of the following is an example of chemical weathering?

• Acid rain dissolving limestone
• roots breaking into concrete
• paper being ripped

What is the process of transporting sediments from location to another?

• Deposition
• Erosion
• Weathering
• Compaction