Answer:
I think it would be the top two narrow it down, but need to show the essay as well
Explanation:
The feeling of an object's surface is known as its D. texture<span>. The texture of an object is a physical property and describes how the object feels when upon touch. An example of an object with a smooth texture is glass, and an object with a rough texture is a paved road. The texture is useful in determining other properties of a substance, such as the amount of friction it provids.</span>
The echoing sound of his voice shows his excitement that his brother is communicating
The correct answer is affect.
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.