Nearly 97% of the world’s water is salty or otherwise u […]
Water regulates the Earth’s temperature
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            Nearly 97% of the world’s water is salty or otherwise u […]
Just 3.5 percent of Earth’s water is fresh—that is, wit […]
Just 3.5 percent of Earth’s water is fresh—that is, wit […]
Water expands by 9% when it freezes. Frozen water (ice) […]
Nearly 97% of the world’s water is salty or otherwise u […]
Water expands by 9% when it freezes. Frozen water (ice) […]
