The density of a substance is the amount of mass (matter) it contains for each unit of its volume (amount of space it occupies).
(amount of space; occupies; it) (The density of a substance; is; the amount of mass (matter) Context(The density of a substance is,List([0, 29))):(it; contains; amount of space it occupies)
The density of a substance is,List([0, 29))
amount of space The density of a substance it
occupies is contains
it
the amount of mass (matter
amount of space it occupies