Which is an adaptation for cold, snow-covered environments?

Thicker Skin, Fur, More Fat Content 

Fur covering is an adaptation for cold, snow-covered environments.

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Calcinosis is the diagnostic term that means an abnormal buildup of calcium on the kneecap (patellar) surface. it is a term uses to describe a group of disorders in which calcium deposits form in the skin. it is also referred to the abnormal deposit of calcium phosphate.