At Mercury, the Ohio Players enjoyed their greatest success; not only did their sound coalesce, but they became notorious for their sexually provocative LP covers, a tradition begun during their Westbound tenure.
Objects float when the volume of water they displace is less than the volume of the objects themselves. When objects sink, the volume of water they displace is greater than the volume of the object. The principle may seem relatively simple: Light objects float and heavy objects sink.
This is due to the configuration of water molecules. Water is a polar molecule and attracts and dissolves other polar molecules but doesn't attract non-polar molecules. Oil is one substance that won't dissolve in water because they have  different densities, so oil floats on top.