Question

Why is groundwater an important source of freshwater storage?

Answer 1

It constitutes approximately 30% of Earth’s freshwater. It is the only viable source of freshwater in some areas. It is available in conditions of drought.

Answer 2

Groundwater is an important source of freshwater, partly because it accounts for approximately 30% of the Earth's freshwater. Groundwater is an important source of freshwater for areas that do not have access to other sources of freshwater, such as areas that are experiencing droughts.