Answer:
it shows that a lot of our higher points like mountains used to be under water. it shows how the earth has change over billions of years
Explanation:
Answer:
(The sum) is the combined flow of return flow and DPS.
Urbanization became famous during industry revolution. There were factories being built and also there were more agricultural workers attracted to the work available then in the cities and also there were new immigrants that increases the population of the cities.
