The dominant element in continental crust are
A) silica and aluminum.
B) silica and magnesium.
C) magnesium and aluminum.
D) potassium and iron.

Question

Quizplus · Accepted Answer

The dominant element in continental crust is silica (SiO2) and aluminum (Al). These elements make up approximately 74% of the continental crust by weight, with silica being the most abundant element overall. Magnesium and aluminum do occur in continental crust, but they are not as dominant as silica and aluminum. Potassium and iron are present in continental crust, but they are not dominant elements.

The Dominant Element in Continental Crust Are