Earth's water is always in motion. It moves inside the planet, across its surface, and in the atmosphere above.
Water in lakes, rivers, and oceans turns into vapor and moves into the air through evaporation. Plants draw water from the soil and return it to the air. Volcanoes release water vapor that was locked deep inside rocks. All that water rises and falls
back to Earth
Can you imagine how far the water in your shower has traveled? (Remember, it's been on Earth for over 4 billion years!) Where do you think it will go next?
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