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← Nature & AnimalsWhich risk rises within arctic fox paws when subjected to prolonged sub-zero surface contact?
A)Increased metabolic deuterium fractionation
B)Localized frostbite development✓
C)Accelerated keratin breakdown
D)Enhanced enzymatic pigment alteration
💡 Explanation
The risk of localized frostbite rises because vasodilation struggles to supply sufficient localized warmth when prolonged cold exposure overwhelms the paws' thermoregulation even with counter-current exchange; therefore frostbite develops, rather than simply triggering generalized shivering or normal paw vascular regulation.
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