Which of the following is the correct sequence of layers from the outermost surface of the earth to its center?
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Solution
Layers from the outermost surface of the earth to its center:
The crust:
The crust of the Earth resembles the shell of a hard-boiled egg. In comparison to what lies beneath it, it is extremely thin, cold, and brittle.
The mantle:
This is Earth's thickest layer, measuring nearly 3,000 kilometers (1,865 miles). It begins only 30 kilometers (18.6 miles) below the surface.
The outer core:
This portion of the core is also composed of iron and nickel, albeit in liquid form. It is located between 5,180 and 2,880 kilometers (3,220 and 1,790 miles) below the surface.
The inner core:
This solid metal ball has a radius of 1,220 kilometers (758 miles), or roughly three-quarters the size of the moon. It is located 6,400 to 5,180 kilometers (4,000 to 3,220 miles) beneath the Earth's surface.
