Earth's oceans hold 97 percent of the planet's water
Earth's oceans contain 97 percent of all water, dwarfing the tiny fraction of freshwater available for human use and underscoring its precious scarcity.
A staggering 97 percent of all water on Earth resides in our oceans, making them the planet's dominant water reservoir. This immense volume, about 1.338 billion cubic kilometers, covers over 70 percent of the Earth's surface across the Pacific, Atlantic, Indian, Southern, and Arctic Oceans.
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