Why has groundwater use increased over time

The principal reason for the increase of groundwater use is the increasing population. Urbanization and pollution have both contributed to an increase in the use of groundwater. Polluted rivers, lakes, and springs are no longer viable sources of groundwater. Urbanization has concentrated large populations in areas that might not have direct access to surface water or that might have a larger demand for freshwater than surface water can supply.

Explanation:

This was the answer on edge2020

answer: land bridge theory. land bridge theory held that shifting portions of dry land explained the finding of identical species on different continents. plate tectonic theory eventually eliminated the land bridge theory.