An important application of electrolytic cells is the electroplating of metals. Electroplating produces a thin coating of an expensive metal (usually silver or gold) on the surface of a cheaper metal (often nickel or aluminum) to give them the appearance or the chemical resistance to corrosion of the expensive metals. a. How long will it take to plate out 1.25 g of silver from a solution of AgCl(aq)

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the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

to explain why this species of moth drinks tears, the scientist could ask: "what nutrients that moths need are in elephant tears? "

the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.