Answer:
I can't really help you do you have a link to the specific book or no.
Explanation:
Picnic. frivolity is something that is unnesasary/enjoyable.
Answer:
it depends on where you send that mail
Well, it depends on what you're looking for but .gov and .edu websites are credible.
.org websites can be of good use too, but not all of them are credible
