Answer:
the molar mass is the mass of a given chemical element or chemical compound divided by the amount of substance
A conductor is what helps heat or electricity pass through an object. Examples of conductors are, silver, iron, aluminum, etc..
An insulator does the opposite and instead, stops either from going through. Examples of an insulator is paper, wood, rubber, etc.
Answer:
C would be the most best choice for this question.
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-The Spectre
Explanation: