You are presented with the question "What serves as insulation to keep the body warm?" and the following answer choices: 
- exoskeleton
 - wearing hats
 - wearing glasses
 - Animal fur
 - sweating
 - with their fur
 - wearing jewelry
 - wearing nail polish

Now knowing that preventing the transfer of heat from an organims 's body causes that organism to keep warm and first, a hat serves as insulation against convective heat transfer, choose the best answer.


 

  wearing hats       