Major portion of the earth's crust is mainly constituted by
A) Oxygen and Iron B) Oxygen and Silicon C) Silicon and Iron D) Silicon and Aluminium
Answers
Answered by
0
Answer:
answer is D...........
Answered by
0
Answer:Oxygen is the most abundant element in the earth's crust, comprising 46.6% or the crust by weight. Silicon 28%, aluminum 8.2%, iron 5.6%, calcium 4.2%, sodium 2.5%, magnesium 2.4%, potassium, 2.0%, and titanium 0.61% also comprise the crust
Similar questions