Describe how replacing one light on a holiday string of bulbs with a "blinking" light would cause all the lights in the string to also blink? is this an example of a parallel or series circuit? why?

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.