Middle-school-age girls tend to ; while middle-school-age boys tend to play in pairs; develop a dominance hierarchy. have a smaller network of friends; ignore differences in status. avoid differences in status; have a smaller network of friends. focus on one or two "best friends"; smooth over disagreements.

The answer in the spaces provided is that play in pairs and develop a dominance hierarchy. It is because middle school age girls are likely to engage of forming groups in which when they play, they would likely to be in pairs while middle age school boys have the sense of dominance in which they are likely to show off who is stronger amongst themselves in which they develop a dominance hierarchy.

its d i know cause i've been googling it

answer; becoming friends with her roommate and joining the debate team; sarah's making friends with her roommate and joining the debate team are examples of relational needs