Topography and the Earth: Earth Layers Based on Physical Properties

The video explains the Earth's structure, comparing the crust to an apple's skin. It details the lithosphere, a cool, rigid layer made of major plates like the North American Plate. Beneath it lies the asthenosphere, a warmer, gooey layer with convection currents that drive plate movements.

What is the approximate thickness of the lithosphere?

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Name at least one major plate that makes up the lithosphere.

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How does the temperature of the asthenosphere compare to that of the lithosphere?

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Describe the texture of the asthenosphere.

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What are convection currents and where do they occur?

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