Question

help please...........​.

Answer 1

Answer:

• B. It is happening today in the united states and europe.
• C. its happening today in most developing nations.
• D. Occured in the U.S and europe in the 19th century.

Explanation:

• The demographic transition the movement of the population from a high birth and high death rate to low birth and low death rate of population growth.  

• It began in the 19th century in the economically developed nations of the world.  

• A large reduction in birth rates was followed by the early 20th century.  

• The developing nations of the world are having large-scale population growth while the developed are declining.