Answer:
from roughly 2550 to 2490 B.C
Because theres gravity that hold it down?
Water forms droplets whenever possible.
I believe the answer is: Positive reinforcement
Positive reinforcement refers to a desired reward/stimulus that given to encourage an individual in doing a certain behavior.
In this case, music as something that jenny's crave and her craving is rewarded everytime she repeat the behavior of opening up the channel