What is the solid and very dense region of the Earth due to high pressure?

• A. Crust
• B. Magma
• C. Inner Core
• D. Outer Core

Answer: (C)

The solid and very dense region of the Earth that exists due to extremely high pressure is indeed the inner core. This part of the Earth is located at the very center and is composed primarily of iron and nickel, making it solid despite the high temperatures that can reach up to 5,700 degrees Celsius (10,300 degrees Fahrenheit). The immense pressure at this depth compresses the materials into a solid state.

In contrast to the inner core, the outer core is a liquid layer surrounding it, formed from the same materials but unable to remain solid due to lower pressure. The crust is the outermost layer of the Earth, which is relatively thin and much less dense than the inner core, while magma refers to molten rock below the Earth’s surface, which would not be classified as solid. Therefore, the inner core is the only part that stands out as solid and very dense because of the high-pressure conditions that prevail in that region.