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Asthenosphere
The rock in a rising convection current is hotter and more buoyant than the surrounding rock, causing it to rise.
lithosphere.
plasticlike mantle
Melted, plasticlike rocks
The asthenosphere.
asthenosphere
The asthenosphere.
The asthenosphere is the thin sheet of plasticlike material that the plates "float" upon as they bump and slide into each other.
Asthenosphere
density
The rock in a rising convection current is hotter and more buoyant than the surrounding rock, causing it to rise.
The lithosphere is rigid and commonly deforms in a brittle manner; the asthenosphere tends to flow slowly and deform in a plastic manner.
lithosphere.
plasticlike mantle
Melted, plasticlike rocks
Asthenosphere