which phrase describes density?\nheight of a point above sea level\nforce pushing on an area or a…

which phrase describes density?\nheight of a point above sea level\nforce pushing on an area or a surface\namount of mass in a certain volume\namount of matter an object contains
Answer
Brief Explanations:
Density is defined as mass per unit volume. The first option describes altitude, the second describes pressure, and the fourth describes mass. Only the third option correctly defines density.
Answer:
amount of mass in a certain volume