The answer is true becuase it starts out explaining that it's been raining for three days.
The evolution of social mores in the 1920s is probably one of the most impactful aspect of the Roaring 20s.
While these changes were primarily centered in the urban areas of the United States, they allowed people to begin to move past restrictive Protestant moral values and move to a more open society.
This was done in combination with the explosion of cultural contributions made by African-Americans, centered around the Harlem Renaissance.
Answer:
variable-interval
Explanation:
In a variable-interval schedule, reinforcement is presented if the body emits at least one response after a variable interval of time. Generally, this scheme is represented by putting the average time of the variable interval. For example: VI-10min means that the booster is displayed after an average of 10 minutes and only for the first response issued.
The variable-interval schedule results in a high frequency of responses.
As Jennifer's company car repair and maintenance service completion times are unpredictable, it will likely be reinforced with positive answers to your questions. This is an example of variable-interval schedule.