The amount of heat transferred from an object depends on which of the following?
a. the specific heat of the object
b. the initial temperature of the object
c. the mass of the object
d. all of the above

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.