Question

what are good conductor of heat and electricity ​

Answer 1

Answer:

Obviously, string is an insulator, and copper is a conductor. As a general rule, substances which are good conductors of heat are also good conductors of electricity. Thus, all metals are conductors, whereas air, (pure) water, plastics, glasses, and ceramics are insulators.

Explanation:

Answer 2

Answer:

metal

Explanation:

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