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Which feedback occurs when high-viscosity lava flows atop colder terrain?

A)Increased thermal energy emission rate
B)Accelerated local crystallization rates
C)Decreased atmospheric gas dissolution
D)Enhanced convection within mantle plumes

💡 Explanation

Localized cooling is amplified because the heat flux contrast promotes conductive heat transfer known as Stefan solidification. This quick crystallization increases viscosity, lowering flow, therefore localized cooling increases rather than emission altering the crystallization dynamics.

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