Which line best conveys a tone of concern for the reader? Why haven’t you written back to me? You are driving me crazy! Your lon
g silence has been so upsetting that I have a stomach ache. I’m worried because I haven’t heard from you in over a month. Don’t feel like you have to stay in touch, because I’m very busy, too.
The author uses the word "metamorphosis" to describe the "four-stage process of change." They are introducing new vocabulary terms in a friendly context. They also may have included it because it's the most accurate scientific term for the process of growth undergone by the beetle.
