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.
I would say the second option - "She skipped off, singing"
It gives a visual of her being very happy, instead of just saying she was happy.
Formal principle because formal means "used to be" so the ex principal would be the FORMER principal. he's not principal.
Yes, because they give off unhealthy fumes that go into our atmosphere and harm our environment.
My answer is danger b/c the wind is trying to pull itself off the ledge to save itself even while being depressed
