The advantage of using scale is
Both a and b
1. Measurement is a technique in which the properties of an object are determined by comparing them to a standard quantity. Also, measurement is the essential metric to express any quantity of objects, things and events.
2. Scale is a device that is used for measurement.
3. The advantage of using scale are both i.e. it can be easily taken from one place to another and It does not change during measurements.
4. Hence, the correct option is D.