Show that the units of kinetic energy and of gravitational potential energy are the same.

Answer    "a salt" would be the best answerexplanationsalts can be defined as ionic compounds that are neither acids nor bases. nacl is an example of a salt, and its ionic.an enzyme is an organic compound which is covalently bonded, not ionically bonded.acids are generally held together by covalent bondsan element does not need any bonds to exist

Ibelieve the answer is weathering,hope my answer has you : ) 

Answer earth,water,fire and air;