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The total known mass of water on Earth represents only 0.025% of the total mass of the Earth (1,400 millions of billions of tons of water). But even if we estimate an additional 5 times amount of water trapped into the 30 to 2,900 km thick mantle under our feet, that percentage would no reach over 0.2%.

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14y ago
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14y ago

about 70-72%

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Q: What percentage of water is present on the earth in the form of seas and oceans?
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