Which phrase best describes frost wedging?(1 point)

Question

Responses

A type of erosion that occurs due to temperature changes
A type of erosion that occurs due to temperature changes

A type of physical weathering that occurs due to temperature changes
A type of physical weathering that occurs due to temperature changes

A type of erosion that occurs due to friction
A type of erosion that occurs due to friction

A type of physical weathering that occurs due to friction.
A type of physical weathering that occurs due to friction.
Question 2
Does the environment affect the soil?(1 point)
Responses

Yes, it affects particle size and soil composition
Yes, it affects particle size and soil composition

No, because soil type is determined only by particle size
No, because soil type is determined only by particle size

No , because soil is the same in all environments
No , because soil is the same in all environments

Yes, but it only affects its particle size
Yes, but it only affects its particle size
Question 3
How is chemical weathering different from physical weathering?(1 point)
Responses

Chemical weathering forms new substances, while physical weathering does not.
Chemical weathering forms new substances, while physical weathering does not.

Chemical weathering involves plants and animals, while physical weathering does not.
Chemical weathering involves plants and animals, while physical weathering does not.

Chemical weathering requires a reaction with water, while physical weathering does not.
Chemical weathering requires a reaction with water, while physical weathering does not.
Question 4
Why do scientists think the Grand Canyon was once covered by an ocean?(1 point)
Responses

The sedimentary rock type forming layers of the Grand Canyon formed under the sea.
The sedimentary rock type forming layers of the Grand Canyon formed under the sea.

Seawater has been found seeping up through the canyon floor.
Seawater has been found seeping up through the canyon floor.

The Grand Canyon is located along coastlines that likely flooded.

Answer 1

Here are the best responses for each question:

Question 1: Which phrase best describes frost wedging?
Response: A type of physical weathering that occurs due to temperature changes.

Question 2: Does the environment affect the soil?
Response: Yes, it affects particle size and soil composition.

Question 3: How is chemical weathering different from physical weathering?
Response: Chemical weathering forms new substances, while physical weathering does not.

Question 4: Why do scientists think the Grand Canyon was once covered by an ocean?
Response: The sedimentary rock type forming layers of the Grand Canyon formed under the sea.