Which statements are true concerning elements in the same group of the periodic table

the electron configuration that you gave me has 16 electrons ergo it has 16 protons ergo it is the element sulfur.

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.