4 ms·
The hydrological cycle is already a closed loop system. The water you drink today watered a plant 10,000 years ago, passed through Abraham Lincoln's kidneys, or
by PM_me_your_math 4y ago
The hydrological cycle is already a closed loop system. The water you drink today watered a plant 10,000 years ago, passed through Abraham Lincoln's kidneys, or was drank by Genghis Khan.