Directions: Base your answers to questions 38 through 40 on the diagra – McqOptions

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1.	Directions: Base your answers to questions 38 through 40 on the diagram below on your knowledge of science. The diagram shows what happens to rock materials as they interact with air and water. Letters A, B, C and D show some rock materials at different places on Earth's surface. Which force causes the rock materials to move from A to B?
A.	electricity
B.	friction
C.	gravity
D.	magnetism
Answer» D. magnetism

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