What is the density of a glass piece that has mass of 18 g and a volume of 24 mL?

Explanation:

The density of a substance can be found by using the formula

From the question we have

We have the final answer as

Hope this helps you

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.