What keeps mammals warm?
evaporation Animal fur staying warm sweating They have thick fur with their fur a layer of fat Veins and arteries.
A B C D E F G H
Glass insulation keeps beverage warm for hours.
Mammals have a layer of fat under the skin to keep them warm.
What keeps mammals warm? (A) evaporation (B) Animal fur (C) staying warm (D) sweating (E) They have thick fur (F) with their fur (G) a layer of fat (H) Veins and arteries.