About 7% of the earths crust
5.4%
it is made of rocks
silicon is mined in near the earths crust, and it is also is made of 27.7% earths crust hope this helps
10%
it means something is made of the earths crust
oceanic crust is made of basalt while continental crust is made of silica rich rocks like granite.
Water 75%
yes it is because it is made from earths crust
The earths crust
Continental plates.
The earth's crust is made out of rock and soil
hydrogen carbon and nitrogen