Which of the following best describes abrasion? (1 point)
• The falling of sheets off the top layer of rock.
• The cracking of rocks due to water freezing.
• The breakdown of rock due to burrowing animals.
• The breaking down of rocks by other rocks.
7 answers
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)
• Exfoliation
• Root wedging
• Frost wedging
• Abrasion
• Exfoliation
• Root wedging
• Frost wedging
• Abrasion
Root wedging
What is one way to determine whether a rock has experienced exfoliation? (1 point)
• Determine if there is an animal living in it.
• Determine if it has cracks in the middle.
• Determine if there is a plant growing on it.
• Determine if it has a domed appearance.
• Determine if there is an animal living in it.
• Determine if it has cracks in the middle.
• Determine if there is a plant growing on it.
• Determine if it has a domed appearance.
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)
• Abrasion
• Frost wedging
• Root wedging
• Exfoliation
What kind of physical weathering is described above?
(1 point)
• Abrasion
• Frost wedging
• Root wedging
• Exfoliation
Abrasion