Answer:
3
Explanation:
Conditioned
learned: originally the newspaper didn't cause a fear response, but after repeated pairings, it caused a fear response in the puppy
In social experiments Location, age of patient or test subject, time of day, and gender of either party can play a big role in results and when changed alter the results making them dependent.
The American colonists saw the Quebec Act as yet another law that increased British control over North America.
It is definitely not true that many small rural communities have best transport, so we can reject the option b) and d) together with it.
The best answer is that they don't have mass transit systems (a is the correct answer). It's not true that they can walk everywhere because they can for example be forced to walk to a different town if they need a hospital.
