Decibels are the scale used for measuring the volume of sounds.
Volume is measured in cubic units
the unit is m3 (cubic metre)
litres would do.
Litres For smaller amounts, millilitres can be used.
Liters & milliliters
Millilitre or litre
A beaker is a container which can also be used as a measuring device for volume. It is not a unit of measurement.
A-best cubeB-measuring cubeC-unit cubeD-volume cubeThe answer is c- unit cube
The SI unit for volume is cubic metres (m3).Litres (L) is also sometimes used.