North America has experienced a demographic transition that resulted in what kind of changes in the population of North America?

id say bottom left to top top left to bottom right and middle to middle

explanation:

gpd hope this

~blake

answer is b.

  it is always the best policy to have good communication and good relations between individuals and, specially, between leaders of the countries. for this purpose, among others, there is a common place, the united nations, where the representants can present his and learn about the other country's policies.