Day 181 of 365
June 30
E
Environment The Water Cycle
Water continuously cycles through evaporation, condensation, and precipitation. A single water molecule spends an average of 9 days in the atmosphere, 100 years in a lake, and 40,000 years in the ocean. The total amount of water on Earth has remained constant for billions of years.
Did you know?
You could be drinking water that was once part of a dinosaur!
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