Objects that blow into a swimming pool or that are dropped into the pool by swimmers need to be removed. these objects include form cups, keys, and coins. which of the following explains useful method for removing some of these objects? A. the keys and coins are less dense than water, so they can be easily picked up off the bottom of the pool divers
B. the foam cups are less dense than water, so they can be crumbled up for removal by the pool filter
C. The foam cups are less dense than water, so they can be removed from the surface with a pool cleaning met
D. the keys are coins have the same density as water ,sothey can be washed away when the pool is drained