The law of increasing costs means that when an economy increases the production of one item
A) the actual cost of making the item goes down
B) the actual cost goes up but the opportunity cost goes down
C) the production costs will increase also
D) the opportunity cost goes up

Which of the following early north american cultures were known for building wigwams and longhouses? a. eastern cultures b. great plains cultures c. western cultures d. northern cultures

Some european explorers sailed west looking for the passage to india

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