Chinatown in New York City is an example of which type of boundary? A) antecedent B) ethnographic C) geometric D) natural B.) Ethnographic

I took it on usa testprep but got it wrong the first time. So here is the answer✧･ﾟ: *✧･ﾟ:*​

Kate is 14 years old and just started taking dance classes with her friends at a local dance studio. this is her first time in a dance program, so everything is new to her. her friends convinced her to join the class since they have been enjoying it for a few months. how could the following terms her succeed in the dance class? ● secondary reinforcement ● identity vs. role confusion ● observational learning how could the following terms hinder her success in the class? ● circadian rhythm ● basal ganglia ● vestibular sense