He was unable to resist the demands
of his id.
Answer: The best example of an operant conditioning is option D. Puckering up after tasting a dill pickle.
Explanation: operant conditioning is type of learning in which the desire and the frequency of a behavior depends on the consequences that follows the behavior. Therefore a behaviour that attracts rewarding and beneficial consequences will occur more, than a behaviour that attracts punishment and regrets.
To pucker up after testing a dill pickle means that the dill pickle was favourable and gives a sweet taste. That means a reward was gotten from tasting a dill pickle, this will increase the likelihood of that behaviour to occur, that means the individual will always want to taste a dill pickle.
In this example, Pickering up is the consequences, while tasting a dill pickle is the behavior.
Their goal was to end slavery and segregation.
The Black Death is estimated to have killed 30–60% of Europe's total population. In total, the plague may have reduced the world population from an estimated 450 million down to 350–375 million in the 14th century.
Are there any answer choices?