2. (4 pts) There are N, molecules in the air. There is also liquid N2. Draw a molecular level picture that shows the difference between the two

3. (4 pts) CH3CH2OH (shown below) is soluble in water. Draw a molecular level picture
that represents after CH3CH2OH has been dissolved in water.

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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.