What is true of megacities or trends in regional population?
a. the united nations defines "megacities" as a metropolitan area with a total population of more than 5 million people
b. research indicates that by 2030, 1 in 5 people will live in cities
c. the majority of people still live in rural and suburban areas around the world
d. by the UN definition, as of the year 2011, there are more than 50 megacities in the world
e. research shows that by year 2030 more than 2 billion people will live in slums adjacent to mega cities
Answer: research shows that by year 2030 more than 2 billion people will live in slums adjacent to mega cities