Which facts about Carolyn Cinami DeCristofano make her a credible science writer? Check all that apply.

1.She lives in Massachusetts.
2.She has worked with NASA to develop science programs.
3.She has two cats.
4.She used a professor of astronomy as an expert reader.
5.She has taught at a science center.
6.She has written several children's books.
7.She read many books on science while writing her own book.