Respuesta :

Answer ;

D

Explanation;

As much salt as you can with lots of mixing to make a saturated. Solution. Once again we get tarnished penny and dip it in and there.

Answer:

c.Dip it in vinegar and salt

Explanation:

why we make dully penny shiny again

Cowper oxide dissolves in a mixture of weak acid and table salt-and vinegar is an acid. You could also clean your pennies with salt and lemon juice or orange juice, because those juices are acids, too.

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