Howard is making a class presentation about the process of abrasion and he wants to model the process. Which of these can Howard do to model the process of abrasion? A. Pour water over a pile of sand. B. Rub a soft rock on a rough surface. C. Put iron filings in a beaker of water. D. Place a few small drops of acid on a rock.
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Howard is making a class presentation about the process of abrasion and he wants to model the process. Which of these can Howard do to model the process of abrasion? A. Pour water over a pile of sand. B. Rub a soft rock on a rough surface. C. Put iron filings in a beaker of water. D. Place a few small drops of acid on a rock
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