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 is the dependent variable in this experiment?
es )
A)
Why does granite rock break down more quickly?
B)
How do rocks interact during mechanical manipulation?
C)
Which rock type changes more due to physical weathering?

D)How does granite change shape after mechanical breakdown?
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Which rock type changes more due to physical weathering?

Explanation:

A dependent variable is the effect obtained by manipulating a cause. Hence, when you are carrying out an experiment, the variable that you manipulate is the independent variable while the effect that it produces is the dependent variable.

Therefore, when the both rock samples are shaken, the mass after shaking shows the extent to which the rock samples break down after a physical weathering process. This is the dependent variable because the extent of physical breakdown depends on the type of rock.

it should be all of them because it asks if you included all of those in your answer

explanation:

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