Question

Metals are used in many products because of the characteristic properties that most metals have. Which product requires the high luster of metals in order to work?

Answer 1

The correct answer is...

Step-by-step explanation:

METALS!

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Answer 2

The answer is mirrors. Mirrors are made by applying a metal thin layer on the back surface of a transparent substrat, typically glass. The metal layer in the antiquity was bronze, mercury and later silver whose luster gave the reflective property to the mirror.