A metal sphere rests upon the exact center of a level, square table top. The table is sitting on the floor. Andrea knows the mass of the sphere; what other measurement does she need to calculate the potential energy of the sphere?

Ifound this on google “aristotle (384–322 bc) in western scientific taxonomy the greek philosopher aristotle was the first to classify all living things, and some of his groups are still used today, like the vertebrates and invertebrates, which he called animals with blood and without blood.” i hope this you for what your looking for.