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Earth's mantle extends to a depth of 2890 km, making it the thickest layer of Earth. The pressure, at the bottom of the mantle, is ~140 GPa (1.4 Matm).

1.4 Matm = 1.4 million atmospheres = 1.4 million x 14.7 = 20.58 million lbs per square inch

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When rocks return to earths mantle to earths mantle they can eventually melt and become magma. and are the main factors that control this change.?

heat and pressure


Which layer of the Earths atmosphere is the pressure inferred to be 1.0 million atmospheres?

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How is the mixture of cornstarch and water different from the Earths Mantle?

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How is the mixture of cornstarch and water differ from the earths mantle?

the earths mantle is very hot were cornstarch is not hot at all


What are three parts that make up earths mantle?

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What part is the earths mantle?

The mantle is counted as the middle part of the earth


Is the earths mantle made of liquid?

No. The Earth's mantle is a ductile solid.


Is it hot in the earths mantle?

Decay of radioactive elements in the mantle heats it.


What is the pressure of the earths mantle?

Earth's mantle extends to a depth of 2890 km, making it the thickest layer of Earth. The pressure, at the bottom of the mantle, is ~140 GPa (1.4 Matm). 1.4 Matm = 1.4 million atmospheres = 1.4 million x 14.7 = 20.58 million lbs per square inch