How many stages are in REM sleep?

Which of the following statements about the ways in which neighborhoods affect children and adolescents is TRUE?

a. Economically advantaged neighborhoods are more likely to be close-knit and provide more monitoring of neighborhood children. b. Adults in economically advantaged neighborhoods have more stress, which leads to less effective parenting. c. Children growing up in economically disadvantaged neighborhoods have access to more resources. d. Children who live in economically disadvantaged neighborhoods do as well in school as children in economically advantaged neighborhoods.

According to the definition provided in your text, which of the following qualifies as a group?

a. people riding in an elevator together b. members of a large church congregation c. an author, an illustrator, and an editor working on a book together over the Internet d. six students studying different topics at the same table in the library