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.

            2     4    5    7

Explanation:i just took the test

the service industry in the united states grew in the late 1800s. what was one effect of that growth?

the number of people with jobs in factories as unskilled workers decreased.

the number of people with jobs in factories as unskilled workers increased.

the middle class grew as people took jobs as clerks, lawyers, and teachers.

the middle class shrank as people left jobs as clerks, lawyers, and teachers.

1. b

2. a deadly disease

4. at the same time

5. a) true

b) true

c)false?

d)false?

7. para.1 = c

para.2 = d

para.3 = f

para.4= b

para.5= e

para.6 = a