Nora works at her job as a construction engineer. every two weeks, she receives a paycheck for the work she has put in over that period. this paycheck is an example of a. negative reinforcement b. extinction c. positive reinforcement d. punishment

Briefly describe the political and economic situation in the united states after world war i. then explain how political and economic factors during the period contributed to the great depression.

What were some of the different and mutual demands of the various national unions? what tactics did they employ to realize their demands?

According to this map, which of these statements is most correct? a) fewer people are contracting hiv in europe than in the past. b) fewer people are contracting hiv in southern africa than in the past. c) egyptians are less likely to contract hiv than people in sub-saharan africa. d) people in canada contract hiv more frequently than people in the united states.