The two most abundant elements in the earth's crust are
A) aluminum.
B) carbon.
C) oxygen.
D) silicon.
E) Both C and D

Question

Quizplus · Accepted Answer

The two most abundant elements in the earth's crust are oxygen (making up about 47% of the crust) and silicon (making up about 28% of the crust). While aluminum and carbon are also present in significant amounts, they do not match the abundance of oxygen and silicon.

The Two Most Abundant Elements in the Earth's Crust Are