Podcast
Questions and Answers
What is the primary source of soil texture?
What is the primary source of soil texture?
- Rocks and sediments (correct)
- Climatic conditions
- Soil organisms
- Topography
How long does it take to form one centimeter of soil from some of the harder rocks?
How long does it take to form one centimeter of soil from some of the harder rocks?
- 500 years (correct)
- 100 years
- 5,000 years
- 1,000 years
What is the primary mechanism of physical weathering?
What is the primary mechanism of physical weathering?
- Plant growth
- Chemical reactions
- Freezing and thawing (correct)
- Biological processes
What is the result of the respiration of carbon dioxide by plant roots?
What is the result of the respiration of carbon dioxide by plant roots?
What is the primary agent that breaks down rock into smaller fragments, leading to soil formation?
What is the primary agent that breaks down rock into smaller fragments, leading to soil formation?
What is the ultimate source of most of the world's soils?
What is the ultimate source of most of the world's soils?
What is a necessary step before plant life can flourish?
What is a necessary step before plant life can flourish?
What is the term used to describe the process of rocks being broken down to form soils?
What is the term used to describe the process of rocks being broken down to form soils?
What is the acronym used to describe the factors that affect soil formation?
What is the acronym used to describe the factors that affect soil formation?
What is the primary component of soil, besides minerals and water?
What is the primary component of soil, besides minerals and water?
What is the result of the chemical breakdown of rocks in soil formation?
What is the result of the chemical breakdown of rocks in soil formation?
What is the role of time in soil formation?
What is the role of time in soil formation?