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Q: Through which of the following actions does the lithosphere move over the asthenosphere?
  • A. Weathering
  • B. Continental drift
  • C. Plate tectonics
  • D. Deposition
Correct Answer: Option C - The lithosphere is the solid, outer part of the Earth, including the brittle upper portion of the mantle and crust. The asthenosphere underneath is hot and flexible, transferring some of its heat through convection. In this case the molten rock moves towards the cooler section, deep crack in the lithosphere. Through the plate tectonics the lithosphere move over the asthenosphere.
C. The lithosphere is the solid, outer part of the Earth, including the brittle upper portion of the mantle and crust. The asthenosphere underneath is hot and flexible, transferring some of its heat through convection. In this case the molten rock moves towards the cooler section, deep crack in the lithosphere. Through the plate tectonics the lithosphere move over the asthenosphere.

Explanations:

The lithosphere is the solid, outer part of the Earth, including the brittle upper portion of the mantle and crust. The asthenosphere underneath is hot and flexible, transferring some of its heat through convection. In this case the molten rock moves towards the cooler section, deep crack in the lithosphere. Through the plate tectonics the lithosphere move over the asthenosphere.