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- Water on Earth is millions of years old and is constantly being recycling.
- Water cycles through the processes of evaporation, condensation and precipitation.
- The water cycle is driven by gravity and energy from the sun.
What is the role of the sun and gravity in the water cycle?
Describe the 3 key steps of the water cycle (evaporation, precipitation, condensation) and how they work in a cycle.
Does groundwater flow? Is water still part of the cycle when it is underground?
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