The Earth’s crust is composed mainly of

The innermost layer of the Earth is known as

The average thickness of the continental crust is about

Which of the following is known as the “SIAL”?

The outer core of the Earth is mainly composed of

The radius of the Earth is approximately

Which layer of the Earth is responsible for plate movements?

Which layer is responsible for generating Earth’s magnetic field?

Which element is most abundant in the Earth’s crust?

The density of the Earth increases with depth because