Which of the following statements best describes income distribution in the united states?
a. the richest 20 percent of the population has about 20 percent of the national income.
b. the richest 20 percent of the population has a much greater share of income than the poorest 20 percent.
c. most people earn the same income.
d. the richest 20 percent of the population has slightly more income than the poorest 20 percent.

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