is a measure of the amount of matter in a given amount of space
mass is the answer
The answer would be Density.
A square metre is a measure of area in 2-dimensional space while a foot is a measure of length or distance in 1-dimensional space. The two measure different things and, according to basic principles of dimensional analysis, conversion from one to the other is not valid.
The set of all points a given distance from a center point is a circle. The given distance is the radius, and the given point is the center. In 3 dimensional space, the set would be the surface of a sphere.
is a measure of the amount of matter in a given amount of space
is a measure of the amount of matter in a given amount of space
is a measure of the amount of matter in a given amount of space
Density.
Density.
Density.
Density.
Density.
Density.
This is referred to as 'volume'.
The amount of matter is given space is mass.
Density since ρ=m/v or in words; density is equal to the mass divided by the volume. i.e. amount of matter in a given space.