25% of the Earth's surface.
The mantle and core make up the most percentage of Earth's mass. The mantle is the thickest layer and accounts for about 84% of Earth's total volume, while the core makes up about 32.5% of Earth's total mass.
Approximately 71% of Earth's surface is covered by water, but only about 0.02% of Earth's total mass is water. This is because water is less dense than the rocks that make up the Earth's interior.
Oxygen and silicon make up about 75% of Earth's crust, with oxygen being the most abundant element at around 46.6% and silicon at around 27.7%. Together, they form the majority of the minerals that make up the Earth's crust.
use water filters to clean the polution out.
Caucasians make up roughly 60-70% of the United States population, with the exact percentage varying depending on the source and specific demographic group being considered.
Deserts make up 33% of the Land's surface
By slowing down the earths rotation but will not make effect to humans .
Asia
volcanoes change the earths surface due to the lava set hard and drys which can make the surface bobbly and ruff also it makes the land more fertilekill people
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Sedimentary rock is the most common Earth surface rock.
This can't be answered because it is unknown.
The quickest way to change the earth is an earthquake
it crushes big rocks to make small rocks.
sadads
it will make the earth hotter