The temperature within the Earth's crust increases about 1.0 C∘ for each 30 m of depth....

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The temperature within the Earth's crust increases about 1.0 C∘ for each 30 m of depth....

The temperature within the Earth's crust increases about 1.0 C∘ for each 30 m of depth. The thermal conductivity of the crust is 0.80 W/C∘⋅m.

Part A

Determine the heat transferred from the interior to the surface for the entire Earth in 9.0 h .

Express your answer using two significant figures.

Part B

Compare this heat to the amount of energy incident on the Earth in 9.0 h due to radiation from the Sun.

Express your answer using two significant figures.

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