Mass is the product of density and volume (m = D x V) while density is ratio of mass per volume (D = m / V). Summary: 1.Mass is how much matter is present in a particular object. 2.Density is how much mass is present per unit of volume.
asâ¢sert /ÉËsÉrt/USA pronunciation v. [~ + object] 1  to state strongly or positively; declare strongly:asserted his innocence.[~ + (that) clause]asserted that he was innocent of the crime. 2  to make a claim to:Minorities are now asserting their right to be heard.
Full Definition of CLAIM. 1. 2. a: a right to something; specifically: a title to a debt, privilege, or other thing in the possession of another. 3. : something that is claimed; especially: a tract of land staked out. a statement saying that something happened a certain way or will happen a certain way: a statement saying that something is true when some people may say it is not true.