Podcast
Questions and Answers
What is the main process that breaks down rocks into smaller particles and forms soil?
What is the main process that breaks down rocks into smaller particles and forms soil?
- Weathering (correct)
- Humus formation
- Gravity
- Erosion
Which of the following natural processes can cause sandstone to become sand?
Which of the following natural processes can cause sandstone to become sand?
- Erosion by wind
- Erosion by water
- Expansion of ice in cracks
- All of the above (correct)
What is the role of humus in soil formation?
What is the role of humus in soil formation?
- Humus is a type of erosion that forms soil
- Humus is the organic material in soil that helps plants grow (correct)
- Humus is a type of rock that forms soil
- Humus helps break down rocks into smaller particles
Which of the following can cause erosion of soil?
Which of the following can cause erosion of soil?
How does the presence of plant roots affect the weathering of rocks?
How does the presence of plant roots affect the weathering of rocks?
Which of the following is the primary cause of rock weathering?
Which of the following is the primary cause of rock weathering?
What is humus?
What is humus?
Which of the following soil types can hold the most water?
Which of the following soil types can hold the most water?
What is the sequence of events in the erosion process?
What is the sequence of events in the erosion process?
What can be inferred about the relationship between topsoil and humus content?
What can be inferred about the relationship between topsoil and humus content?
What is the primary force that causes erosion according to the text?
What is the primary force that causes erosion according to the text?
What is the main component of humus found in soil?
What is the main component of humus found in soil?
Which layer of soil contains the least amount of humus according to the text?
Which layer of soil contains the least amount of humus according to the text?
How do plant roots contribute to the weathering of rocks according to the text?
How do plant roots contribute to the weathering of rocks according to the text?
What is the primary process by which materials are deposited to form soil layers according to the text?
What is the primary process by which materials are deposited to form soil layers according to the text?
