Which sentence provides evidence that heat travels from Earth's mantle up to its crust?

a) Earth's atmosphere is warmer during the day than at night.

b) Earth's outer surface is cooler than its interior layers.

c) Rocks and other objects on Earth's surface heat up quickly in the afternoon sun.

d) The core of Earth is solid, but the layer just beneath Earth's crust is molten.

Question

Taylore

Geography

15 October, 09:56

Which sentence provides evidence that heat travels from Earth's mantle up to its crust?

a) Earth's atmosphere is warmer during the day than at night.

b) Earth's outer surface is cooler than its interior layers.

c) Rocks and other objects on Earth's surface heat up quickly in the afternoon sun.

d) The core of Earth is solid, but the layer just beneath Earth's crust is molten.

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Answers (1)

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Ford · Answer 1

"b) Earth’s outer surface is cooler than its interior layers."

There are several facts that attest this statement: the presence of volcanos that expel extremely hot material from the Earth's interior: hot water springs due to its deep origin in the crust; mines that are really deep can also prove that the earth gets warmer as we get into its interior. Heat flows to the crust in different ways though: by conduction, radiation and convection.