Answer:
Explanation: Measurement is the system or unit of measuring any kind of entity in order to define it in specific terms.
Measurements and units do not change with any kind of factors whether it is external or internal. Thus if a chemist performed an experiment in Spain, the chemists in china could interpret the measurements because the units are not at all bound to the countries or time span.
The units are the fixed quantities which are used as the standard for measurement of any kind of quantity.
For eg- length is a physical quantity for which meter is the standard unit for measurement which would not be affected b any kind of factor.
