Write and balance the equation for the combination of ammonia gas with solid copper(ii) oxide to produce copper metal, nitrogen gas, and liquid water. include the states of matter.

i would say b

explanation:

but i think i would need more information than that

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.