Answer:
-Dingdongdaddyjuan
I'm just writing more so it will let me put this as an answer
For me, to make fiction realistic is to have normal people in the story and have something strange come out of the blue. For example, there are researcher that study UFOs, so maybe have a conflict that has something to do with UFOs. Hope that helps!!!
Yes because 5/10 in simplest form is 1/2 therefore since 7/10 > 5/10 more than half of ur body is water