That must refer to the mass. Mass is sometimes described as the "amount of matter". Please note that describing mass as "amount of matter" is rather informal; better read the Wikipedia article on mass, or some similar introductory article, for a more precise description.
mass
Mass - the amount of somthing a container can hold
Its capacity.
You hold an object; then you release it, and it falls to the ground.You hold an object; then you release it, and it falls to the ground.You hold an object; then you release it, and it falls to the ground.You hold an object; then you release it, and it falls to the ground.
how much force is needed to hold the 2kg object
Handle
Mass - the amount of somthing a container can hold
The amount of space in an object is, presumably, the volume of the cavity.
Capacity is a measure of the quantity that a container can hold. There need not be anything in the container. The amount is some measure of an object - it can be the value (amount of money), volume (amount of water), mass (amount of matter).
Its capacity.
Capacity and amount are similar, yes but capacity is how much something can hold and amount means the substance.
Psychometry.
the answer is volume of course!
Volume "tells" us how much an object can be filled with or how much an object can hold.
relative humidity
Relative humidity.
"relative humidity"
relative humidity