Answer:
the gradual shift in residence of the human population from rural to urban areas, combined with the overall growth of the world's population could add another 2.5 billion people to urban areas by 2050,
Explanation:
Causes of urbanization include: Industrial Growth: The explosion of industrialization and manufacturing enterprises within a certain urban area gives rise to more employment opportunities — which is another factor of urbanization. Employment: Rural areas commonly are agricultural.
