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← GeographyWhich process limits internal dome growth in viscous lava?
A)Eruption column convection cooling
B)Tephra fall deposit fluidization
C)Viscosity-controlled effusion rate maximum✓
D)Magmatic volatile release crystallization
💡 Explanation
Dome growth is limited by the maximum flow rate possible for highly viscous lava, using a viscosity-controlled effusion rate, because increased dome size slows the extrusion; therefore, volumetric expansion ceases, rather than atmospheric convection affecting lava temperature significantly.
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