I would say this is A. Head , hope this helps !
Answer: NCOV was first identified in Wuhan city , China. it is probably emerged from an animal source.
Explanation:
Answer:
Angioplasty is used to open narrowed arteries and increase oxygen-rich blood flow to muscle and tissue.
Answer:
operant conditioning.
Explanation:
From the question we can see that a person named Skinner believed that psychology should focus on the study of behavior and that type of conditioning is known as operant conditioning.
What is conditioning?. Conditioning can be simply defined as response to certain Behaviors. Although many Psychologists will divide conditioning into two main types, I will be dividing it into three and the three primary types of conditioning are observational learning, operant conditioning and classical conditioning.
Operant conditioning is a response(be it a reward or punishment) of certain Behaviors.
