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The mass of the Earth does not change because land is not destroyed. It may erode from one area but it is deposited in another area.
About 25% to 35% of continental land mass covers the Earth. This is because about 75% to 70% of water covers the Earth. You can subtract 75 or 70 by 100 to find out.
CHINA.
The land mass
Antarctica is about 10% of earth's land mass.
Yes, it covers 10% of the earth's surface, this land mass.
Deserts cover about 33% of the total land mass of the earth.
22% of the Earth's land mass
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Eurasia.
The mass of the Earth does not change because land is not destroyed. It may erode from one area but it is deposited in another area.
About 25% to 35% of continental land mass covers the Earth. This is because about 75% to 70% of water covers the Earth. You can subtract 75 or 70 by 100 to find out.
The land mass
water
CHINA.
Antarctica is a land mass that covers 10% of the earth's surface. It is covered -- 98% -- by an ice sheet.