Introduction
Evaporation
Transpiration
Sublimation
Condensation
Precipitation
Runoff
Groundwater
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On the surface, Earth is a water planet.

Over 70% of the Earth's surface is covered in water, with an estimated volume of around 1,360,000,000 cubic kilometers. Over 97% of all water is found in oceans, leaving the other 3% in lakes, rivers, glaciers, groundwater, and atmospheric moisture.

Explore the above choices to learn about how water is moved around this planet.

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