which word describes the amount of matter an object contains?\no altitude\no density\no mass\no pressure

which word describes the amount of matter an object contains?\no altitude\no density\no mass\no pressure
Answer
Brief Explanations:
Altitude refers to height above sea - level. Density is mass per unit volume. Mass is the measure of the amount of matter in an object. Pressure is force per unit area.
Answer:
C. mass