Question

Mantle convection is a circulation of the heat emitted by the earth's _____. core crust lithosphere atmosphere

Answer 1

Although this lesson does not mention the answer in the text, it does imply an animation that implies the answer to be the Earth's core, with the fallowing text: "Like the boiling water example, a convection cell or circular flow occurs, as shown in the mantle convection animation above."

Answer: Core

Answer 2

Mantle convection is a circulation of the heat emitted by the Earth's core. The core, found in the center of the Earth, is made up of extremely hot, molten metal, which heats the mantle in a convection current.