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The entire earth's crust occupies just 1% of the earth's volume. The Earth's crust thickness is 30 km thick. The temperature of the crust is 2oo degrees Celsius (392 Fahrenheit) to 400 degrees Celsius (752 Fahrenheit). Mantle The Mantle is the second layer of the earth, it takes up 80% of the Earth. The mantle has two sections (Lithosphere and the. Asthenosphere). The temperature of the lithosphere and asthenosphere is 300 to 500 degrees celsius. The mantles temperature 4500 degrees celsius and made of 100% magma.
The temperatures and pressures of the interior layers of the earth are too great to support life as we know it. The temperature of the crust itself increases as you go deeper. Temperatures get up to about 400 to 750 degrees Fahrenheit in the depths of the crust. This fact has been exploited as an alternative energy source called geothermal energy. Tapping heat in the crust can be used to warm buildings and for other energy needs.