Impromptu is an unrehearsed speech. Not rehearsing would not allow speakers to gather 100% of their thoughts.
In Chapter 7 Moonshadow went to visit Mrs. Whitlaw to educate her on demons. Moonshadow was impressed that Mrs. Whitlaw seemed to be interested in other people. He explained about the dragons and was impressed with the knowledge he possessed and she could see his point of view. After his visit, Moonshadow came home thinking that demons weren't that bad.
Water for bathing and drinking
I believe the answer would be the <em>third option, 70.</em>
