---- total cost to a society is considered, reclamation during mining is usually the financially healthy choice.
a what b that c where
I am not sure if the question answers are wrong or not.. If there were "when" as a one of the choice, i would select it directly.. But here are three choice.. But not sure which one is correct answer ?
Top answer
Only c is possible, don't you think, Hasan?
— Mister Micawber
Only c is possible, don't you think, Hasan?
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