Widespread local fish death prompted water quality experts in Austin to conduct a year-long study on the dissolved oxygen levels within Lady Bird lake. The data that was collected is shown above. How do rising temperatures in Lady Bird Lake affect the dissolved oxygen levels in the water?

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.