Question

why is groundwater an important source of freshwater storage? a. it constitutes approximately 30% of earths freshwater. b. it is the only viable source of freshwater in some areas. c. it is available in conditions of drought. d. all of the above. please select the best answer from the choices provided

Explanation:

Groundwater constitutes about 30% of Earth's freshwater, is a key freshwater source in drought - affected areas, and is often the only viable freshwater source in some regions. All these factors contribute to its importance.

Answer:

d. All of the above