HELPPP I GIVE BRAINLIEST!!!

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 flat iron fillings in a beaker of water

D. Place a Few small drops of acid on a rock.