DISCUSSION 1:Respond to the following in a minimum of 175 wo

DISCUSSION 1:Respond to the following in a minimum of 175 words: Discuss how competitive markets determine the wage rate and the quantity of labor that should be employed.DISCUSSION 2:Respond to one of the following in a minimum of 175 words: Explain the action potential, including: What events happen to form an action potential? How does the action potential move down the axon? How does the action potential trigger the release of neurotransmitters at the synapse?Why are neurotransmitters important for brain function? Describe how neurotransmitters function in the synapse and brain?DISCUSSION 3:Respond to the following in a minimum of 175 words: Select one of the four broad professional fields: environmental or evolutionary psychology, forensic psychology, health or sports psychology, or industrial/organizational or engineering psychology. Which of the four learning theories is most effective in guiding professional practice in your selected field? Identify strengths and deficiencies of using the theory you identified.