Respuesta :

SI units are a modern form of the metric system.

Answer:

Metric System

Explanation:

The system of measurement is called metric system. It consists of set of scientific units.  

For example -  

In SI (System International) Unit , the four basic physical quantities (i.e length, mass, temperature and time) have following units –  

Physical Quantity          Name of Unit Abbreviation

Length                               Meter        m

Mass                               Kilogram        kg

Temperature                       Kelvin        K

Time                               Second        s