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The Water cycle

bp-watercycle1

 

Water has been used over and over and over for millions of years. There is no telling where the water you brushed your teeth with today was 1,000 years ago or even 300 million years ago! It could have been part of a pool of water that a dinosaur drank from.

Water is used over and over or “recycled” through what is called the water cycle. The water cycle never stops, so it doesn’t really have a starting point. But let’s start with rain anyway…

 

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