WAEC - Geography (2015 - No. 14)

The part of the earth's crust which is made up of silica and alumina is the_____?

Sima

Mantle

Barysphere

Sial

Смхиман (0)

Сурталчилгаа

Javascript-д энэ хуудсыг зохих ёсоор ачаалахыг зөвшөөрнө үү