Which of the following lists represents the main components of the Earth's crust?
A) oxygen, uranium, thorium.
B) oxygen, silicon, uranium.
C) oxygen, silicon, aluminum.
D) iron, aluminum, carbon.

Question

Quizplus · Accepted Answer

The Earth's crust is mainly composed of oxygen, silicon, and aluminum. While elements such as uranium, thorium, iron, and carbon may be present in smaller amounts, they are not considered the main components of the crust.

Which of the Following Lists Represents the Main Components of the Earth's