If by land mass you mean the surface, then 99% is habitable.
99%
The Mantle accounts for about 79% of the earths mass
About one third of the land surface of the earth is desert.
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50%
the solar system is made from planets and stars, gas, not much oxygen and astornorts
The core is 33% of the Earths mass
About 15 billion acres, some 20% of the earth's land mass is today considered habitable. That makes 80% at present inhabitable: Antarctica, deserts, mountains and wilderness. But as the case of the Amazon forests shows, forests can be bulldozered and wilderniss can be made habitable. So the figure only reflects today's land needs and state of technology.
The suns mass is 332,950 earths.
how does land fills affects the earths?
The Mantle accounts for about 79% of the earths mass
Deserts make up 33% of the Land's surface
About one third of the land surface of the earth is desert.
about one fourth
The northern hemisphere has much more land than the southern hemisphere.
50%
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Roughly 75% of Earths Surface is covered by water. (including the Oceans, lakes and land Ice).