The answer is 1 and 2/12th first you take the 2/3 into 8/12 and and the 2/4 into 6/12 and then you add them together to get 14/12. Then you simplify is to 1 and 2/12 and 2//12 into 1/6. I hope this helps.
Impromptu is an unrehearsed speech. Not rehearsing would not allow speakers to gather 100% of their thoughts.
Answer:
they compare ways that skin stops harmful germs
