Mostly Silica (Silicon Dioxide); with a wide variety of other minerals as well.
it is made of rocks
About 7% of the earths crust
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.
yes it is because it is made from earths crust
Water 75%
The earths crust
Continental plates.
The earth's crust is made out of rock and soil
5.4%