পৃথিবীর নিচে কি আছে- এটা দেখে হয়তো বা আপনারও বিশ্বাস হবে না | What is below the earth in Bangla 

What is below the earth in Bangla
Below the Earth's surface, several layers make up the Earth's interior. These layers include:
Crust: The Earth's outermost layer, ranging from 5-70 kilometers in thickness. It consists of solid rock and is divided into continental crust and oceanic crust.
Mantle: The layer beneath the crust, extending down to a depth of about 2,900 kilometers. The mantle is predominantly solid but has regions of molten rock. It plays a crucial role in the movement of tectonic plates.
Outer Core: Below the mantle lies the outer core, which is a liquid layer composed mainly of iron and nickel. It is responsible for generating the Earth's magnetic field.
Inner Core: At the center of the Earth is the inner core, a solid sphere primarily made of iron and nickel. The immense pressure at the core keeps it in a solid state despite the high temperatures.
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