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Answer briefly: How does the fur of animals that trap a layer of air near their skinh cold climates or swim in cold water​

Sagot :

Answer:

"The denser and the longer the hairs are, the dryer or the more water-repellent the hairy surface is. Since the thermal conductivity of air is much smaller than that of water, trapping a layer of air in hairy surfaces reduces thermal conduction, which keeps animals warm in cold water,"

Explanation: