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.
1. a point asserted as part of an argument. 2. a contentious speech act; a dispute where there is strong disagreement. 3. the act of competing as for profit or a prize. Familiarity information: CONTENTION used as a noun is uncommon.. a point asserted as part of an argument. 2. a contentious speech act; a dispute where there is strong disagreement. 3. the act of competing as for profit or a prize. Familiarity information: CONTENTION used as a noun is uncommon.