To figure out the empty spot you add all the percents up then subtract 100. That means that the answer is 11 for the section
Answer:
because I like to make others happy, meanwhile it’s something I can’t be..
A. is the most sensible answer tbh, the librarian is inside a library she/he wouldn't really pay attention to kids. Books on gender roles may be in there a bit but not completely since it won't really talk about what you're trying to search for. Articles on phycology definitely isn't going to helped learn about children on the playground.
Go outside and talk to neighbors