Drinking Water Cycle - How Many People Consumed My Tap Water Before Me? (Video Tutorial)

Drinking Water Cycle - How Many People Consumed My Tap Water Before Me? (Video Tutorial)

Watch our newest video tutorial! 

Drinking water is part of a continuous recirculation process and the two basic water sources are surface water and groundwater. Surface water is every water source which is above earth’s ground, so for example rivers, streams, lakes, reservoirs and oceans...