Trivia 12

The overall amount of water on our planet has remained the same for two billion years. Ninety percent of the planet is covered with water, but only 1% of that water is available for drinking. From the time the earth was formed, this water has been endlessly circulating. This circulation is known as the hydrologic cycle: evaporation, condensation, precipitation, infiltration and surface run-off.

The overall amount of water on our planet has remained the same for two billion years?
19 total responses
True 12 (63%)
False 7 (36%)