Question

which word describes the amount of matter an object contains?
altitude
density
mass
pressure

Explanation:

• Altitude refers to the height of an object above a certain reference point (like sea - level).
• Density is defined as mass per unit volume ($

ho=\frac{m}{V}$).

• Mass is a measure of the amount of matter in an object.
• Pressure is force per unit area ($P = \frac{F}{A}$).

Answer:

mass