What is meant by density material?

Material density, more often referred to simply as density, is a quantitative expression of the amount of mass contained per unit volume . The standard unit is the kilogram per meter cubed (kg/m^3 or kg · m^-3 ). Density is sometimes expressed in grams per centimeter cubed (g/cm^3 or gm · cm-3).

where's the following? you gotta add it to know what the choices are

explanation:

see earlier answer