A voltaic concentration cell is constructed with two B3+- B electrodes, with B being a metal, where the half reaction is begin mathsize 12px style B to the power of 3 plus end exponent (a q )plus 3 e to the power of minus rightwards arrow B (s )end style Eº = 0.608 If the cell emf is 0.0401 V, and the concentration at the cathode is 5.301 M, what is the concentration at the anode?

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.