Which of the following best describes abrasion? (1 point)
Responses
The breakdown of rock due to burrowing animals.
The breakdown of rock due to burrowing animals.
The cracking of rocks due to water freezing.
The cracking of rocks due to water freezing.
The breaking down of rocks by other rocks.
The breaking down of rocks by other rocks.
The falling of sheets off the top layer of rock.
Based on the responses provided, the correct answers are as follows:
1 - The breaking down of rocks by other rocks (abrasion)
2 - Root wedging
3 - Determine if it has a domed appearance
4 - Abrasion
1 - The breaking down of rocks by other rocks
2 - root wedging
3 - Determine if it has a domed appearance
4 - Abrasion
The breaking down of rocks by other rocks.
Ramon finds a rock that has a plant growing out of it. At the base of the plant, he can see some cracks forming in the rock. What type of physical weathering is this? (1 point)
Responses
Root wedging
Root wedging
Exfoliation
Exfoliation
Abrasion
Abrasion
Frost wedging
Root wedging
What is one way to determine whether a rock has experienced exfoliation? (1 point)
Responses
Determine if there is an animal living in it.
Determine if there is an animal living in it.
Determine if there is a plant growing on it.
Determine if there is a plant growing on it.
Determine if it has a domed appearance.
Determine if it has a domed appearance.
Determine if it has cracks in the middle.
Determine if it has a domed appearance.
A large glacier slowly moves down a mountain. As the glacier moves, small rocks attached to it move as well. These rocks rub against rocks below the glacier and wear them down.
What kind of physical weathering is described above?
(1 point)
Responses
Abrasion
Abrasion
Frost wedging
Frost wedging
Root wedging
Root wedging
Exfoliation