Mag-sign In
WAEC - Geography (2011 - No. 4)
The mineral contents of the upper part of the earth's crust are collectively called the sial because it is composed mainly of
silica and olivine
alumina and olivine
silica and alumina
alumina and phosphate
Mga komento (0)
Mag-login Upang Magkomento
Advertisement
Payagan ang javascript na i-load nang maayos ang page na ito
