Respuesta :

An Insulator.

Insulators prevent flow of electric current. Example is wood, clay.

Answer:

Insulator

Explanation:

An insulator does not conduct electricity. Insulators offer high resistance to the free flow of electron. Rubber is a good insulator.  

A conductor conducts electricity. Metals are good conductors of electricity. Metals have free flowing electrons that allow them to conduct electricity.  As metals conduct electricity they have a distribution of charge on its surface.