What group of elements is most likely to contain elements that will be found pure in nature? strong metals transition metals nonmetals noble gases

Transition metals are most likely to be found pure in nature, they are just in mixes with other nonmetals.  

Explanation:

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.