During the last two decades of the twentieth century:
(a) the poor and the middle-class became worse off, while the rich became significantly richer.
(b) there was a significant rise in real income among working-class americans.
(c) americans saved more and invested less.

Arelationship where each person relies on the other; a give and take relationship

50 ! 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

What does one prolonged blast and one short blast mean?