I believe the answer is option a
Answer: CS(Conditioned Stimulus )
Explanation:
Conditioned stimulus is the factor that was at neutral state at previous time but after getting connected with unconditioned stimulus it produces a trigger in the form of conditioned response.
According to the question, door closing is conditioned stimulus because door gets combined with the closing action done by Dr. Meyer which generates a trigger that indicates students about pop quiz.
Answer:The Industrial Revolution was powered by burning coal, and big industrial cities began pumping vast quantities of pollution into the atmosphere.
Explanation:
Answer:
What is the purpose of replication?
- B. to produce copies of a DNA molecule