Assume that the eccentricity of Earth’s orbit increases from 0.017 to 0.12. The point of aphelion would now be . Consequently, the amount of solar energy received on Earth at aphelion would .

gold is my favorite solid.

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.