Fact 1: Thick fur can be used for keeping warm.

Fact 2: Snow leopards coats have thick, dense fur.

Given the two facts above, answer the question "what can be used for keeping warm?" with the following options: 
- four limbs
 - an electric stove
 - tusks
 - snow leopard coats
 - animal claws
 - beaver tails
 - evaporation
 - electricity


 

    snow leopard coats     