<span>Weather occurs in Earth's troposphere, which is "Lowermost layer" of the the Earth
Hope this helps!</span>
The answer is <span>Reuptake.
Have a nice day :-)</span>
We should expect that the rat will have have more difficulty in learning the task compared to a normal rat. This is because the rat has been injected with a certain drug that oppresses the dopamine activity. And then the rat is placed in an operant chamber where a lever-pressing task is shaped through positive reinforcement.
