Question

Metals in economy. ​

Answer 1

Answer:

Over a period of time coin has been used for Monetary transaction.

Au, Ag, Cu etc. Have been used for making coins.

Therefore these are also termed as coinage metals.

Answer 2

$\huge \underline \mathfrak \pink {Answer}$

Copper mining is controversial because it adds a great deal to the economy, while also striping the land of its resources, and leaving a wake of poor poverty and ill health. Because of the danger, high wages, and frequent layoffs many mining towns see very high unemployment rates.