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Chemistry, 25.02.2021 23:00 aletadaboss

A student has a block of wood. She places it on a wooden desk. She uses a spring scale to measure how much force is needed to slide the block of wood across the desk. The student then places the block of wood on a piece of sandpaper and repeats the process. The type of force the student is investigating is .

A. gravitational
B. magnetic
C. electricity
D. friction

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