INNER CORE

• Earths inner core is 2,440 km across.
• The temperature is 4,940 to 8,540 degrees fahrenhiet.
• The inner core is solid and is mainly composed of iron.

OUTER CORE

• The temperature is 4,000 to 5,000 degrees celsius.
• It is composed with iron and a little nickel.
• The outer core is 2,200 km thick.

MANTLE

• The temperature is 3,000 degrees celsius.
• The mantle is about 2,900 km thick.
• It is divided into two sections.
• The asthenosphere and the lithosphere.

CRUST

• It of composed of mainly granite,basalt, and diorite rocks.
• The temperature is 200 celsius and can rise up to 400 celsous.
• From a continent to edge it is 60 km thick.
• From the bottom of the ocean to the edge it is 10 km thick.

EARTH'S LAYERS

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