The three most abundant elements in Earth's crust are
A)potassium,sodium,and iron.
B)magnesium,potassium,and oxygen.
C)iron,aluminum,and calcium.
D)oxygen,silicon,and aluminum.
E)magnesium,iron,and calcium

Question

Quizplus · Accepted Answer

Oxygen, silicon, and aluminum are the most abundant elements in Earth's crust, making up over 75% of its composition. Magnesium, iron, and calcium are also major components, but they are not as abundant as the three elements in option D.

The Three Most Abundant Elements in Earth's Crust Are