Question

which is the primary source of water on the earth

Answer 1

Hi Friend

Primary source of drinking water is ground water which is mainly stored inside ground when it rains.

☆ Hope it helps

Answer 2

Hi dear here is ur answer ✌

the two sources that i know are :

Surface water and groundwater. Surface Water is found in lakes, rivers, and reservoirs. Groundwater lies under the surface of the land, where it travels through and fills openings in the rocks. 

i hope it helps u buddy ✌