Answer:
Fundamental Units:
1) Fundamental units also called base units are used to describe base quantities
2) They cannot be expressed in terms of derived units.
3) Examples : Meter, Ampere, Second etc.
Derived Units:
1) Derived units are used to describe derived quantities.
2) They can be expressed in terms of fundamental units.
3) Examples: Newton, Joule, Hertz, Pascal etc.