Fresh and salt water
Almost all the water on Earth is salty sea water, which we can't drink. Only a very small part is fresh water, and most of that is frozen in ice or hidden underground. So the fresh water we can use is precious, and we shouldn't waste it.
Depth 1 · Foundation
You know that most of Earth's water is salty, that fresh water is a small part of it, and ways to save it.
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- 1
Foundation
You know that most of Earth's water is salty, that fresh water is a small part of it, and ways to save it.
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