Podcast
Questions and Answers
Which layer of the soil is rich in minerals washed down from the topsoil?
Which layer of the soil is rich in minerals washed down from the topsoil?
- The topsoil layer
- The parent rock layer
- The organic layer
- The subsoil layer (correct)
What is the term used to describe the different layers of soil?
What is the term used to describe the different layers of soil?
- Soil horizons (correct)
- Soil profiles
- Soil formations
- Soil structures
What is the primary component of the organic layer of soil?
What is the primary component of the organic layer of soil?
- Old plant roots
- Decaying rocks
- Tiny living organisms
- Dark, fertile humus (correct)
Why is the subsoil layer not as good for plants as the topsoil layer?
Why is the subsoil layer not as good for plants as the topsoil layer?
How long does it take for soil to form in the parent rock layer?
How long does it take for soil to form in the parent rock layer?
What is the role of minerals in soil?
What is the role of minerals in soil?
What do living organisms in soil contribute to?
What do living organisms in soil contribute to?
What is the purpose of air in soil?
What is the purpose of air in soil?
What happens to organic matter as it breaks down in soil?
What happens to organic matter as it breaks down in soil?
What is the result of soil erosion?
What is the result of soil erosion?
What are the natural forces that contribute to soil erosion?
What are the natural forces that contribute to soil erosion?
What is the main cause of wind erosion?
What is the main cause of wind erosion?
What can happen to the soil when it is cleared of vegetation or the natural landscape is changed?
What can happen to the soil when it is cleared of vegetation or the natural landscape is changed?
What is a consequence of soil erosion on the environment?
What is a consequence of soil erosion on the environment?
What is the term used to describe the process of productive land becoming barren and desert-like?
What is the term used to describe the process of productive land becoming barren and desert-like?
What is carried away by water or wind erosion that can harm aquatic ecosystems and contaminate drinking water sources?
What is carried away by water or wind erosion that can harm aquatic ecosystems and contaminate drinking water sources?
Why is it important to prevent soil erosion?
Why is it important to prevent soil erosion?
