Why does the author include this paragraph at the end
of the book? Check the three answers that apply.
So, where did I find my facts and figures? In lots of
different places. Tracking down information about black
holes was a little like tracking black holes themselves. It
took research, questions, and lots of cross-checking to
piece together something that made sense. Then again, it
was a lot easier for me to track down information than it
is for astronomers to locate black holes--thanks to high-
quality Internet resources and helpful librarians, such as
Jeffrey Mehigan and Debbie Batson. Luckily I was able to
find what I wanted without special X-ray detectors.
-A Black Hole Is Not a Hole,
Carolyn Cinami DeCristofano
I to show that it takes research to write an
informational book
to show her appreciation to the librarians who
helped her
to finish the book with a joke
to recognize the role of the internet in her research
to discourage others from attempting to write an
informational book