Because he enjoyed writing about romance
It is
They create a vivid image of being utterly alone. I have done this I-Ready lesson before, I'm on level H.
Answer:
At the end of paragraph 1, when the author says “First, we must develop many different ways of putting the waste from these nuclear and chemical substances in, on, and around the earth” it helps shape the reader's perception of the text as by starting to go into more details and more ideas on poisoning the Earth.