Answer:
Diffusion stops when the concentration of the substance is equal in both areas.
Explanation:
It doesn't mean that the molecules of substance are not moving any more, just that there is no overall movement in one direction.
Mdma is a club type of drug
I not sure about this but I think the answer is
Consumer society pretty much benefited the representatives that provide the best regulations to maintain the relationship between producer and middle class people and create more distinction between lower class, middle class, and upper class.
