It would make the curve go in an upwards manner...
Answer:
Maybe you could write because people are consentrating on their phones juring class.
Maybe they are skipping lessons .
Maybe the teachers are sleeping in class because they did not get their full sallery.
<span> oval window would be your answer</span>
They found water in rivers or other places & they would boil it so it wouldn’t be much bacteria so they won’t get sick. Idk if this helps but i tried.
