What can be used for keeping warm?
electricity Limbs thick hair sweat ice evaporation cold blood four limbs
A B C D E F G H
All mammals have fur or hair.
thick hair can be used for keeping warm
What can be used for keeping warm? (A) electricity (B) Limbs (C) thick hair (D) sweat (E) ice (F) evaporation (G) cold blood (H) four limbs