Answer:
possibly war and also troubles in the government
Explanation:
Answer:
The growth in urban areas comes from both the increase in migration to the cities and the fertility of urban populations.The urbanization of the world is likely to slow population growth. It is also likely to concentrate some environmental effects geographically
Explanation:
the answer to this question is A
A. The worm population would increase, because there are no predators to eat them up!