'Geologists named the material of the Earth's crust "sial'" because of these 2 main elements'
silicon & aluminum
THE EARTH: Geologists named the material of the Earths crust sial' because of these 2 main elements
Geologists named the material of the Earth's crust "sial'" because of these 2 main elements
Geologists named the material of the Earth's crust "sial'" because of these 2 main elements
THE EARTH
silicon & aluminum
THE EARTH