Answer:
Smelting, process by which a metal is obtained, either as the element or as a simple compound, from its ore by heating beyond the melting point, ordinarily in the presence of oxidizing agents, such as air, or reducing agents, such as coke.
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Explanation:
It would be A) Cl, K, Ar
Because Cl=35,K=39,Ar=40
Answer:
It is a longitudinal wave.
Explanation:
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