7. A group of earth science students were investigating in the laboratory. They took granite rock and limestone samples and massed them on a balance. Then, students placed the rock samples in closed plastic vials. The students shook them vigorously for thirty minutes. Students then massed the rocks again. What question might the students be testing?

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1 point
Which rock type changes more due to physical weathering?
How does granite change shape after mechanical breakdown?
How do rocks interact during mechanical manipulation?
Why does granite rock break down more quickly?

The question that the students might be testing is: "Which rock type changes more due to physical weathering?"