Is frozen in the poles
75%
75%
The Earths crust.
Silicates make up close to 95 percent of the rocks in the Earth's crust
Roughly 5%.
silicon percent abundance in earths crust poops
With a very sizable iron core and a (by comparison) wafer-thin crust, I doubt that the earth's crust even approximates a full percentage point.
Oxygen comprises about 47% by weight of Earth's crust
It is in frozen form - as the polar ice caps and glaciers.
oxygen and silicon are the two elements that make up more than 80 percent of the atoms found in the Earths crust...(there is a constructed response for you guys)
2%