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- pronunciation:
- waw
t
 r
saI
kl
| part of speech: |
noun |
| definition: |
When we talk about the water cycle, we are talking about how water on the earth goes up into the sky and then comes down to earth again as part of rain or snow.
Part of the water cycle is when water on the surface of a lake, ocean, or river changes into a gas. As a gas, the water goes up into the sky. This is something that is happening all the time, and it happens because of heat.
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