You are presented with the question "What does animal's fur keep them safe from?" and the following answer choices: 
- food
 - Brutal temperatures
 - Greenhouse gasses
 - a pathogens
 - When it's cold
 - babies
 - Sad feelings
 - enormous damage to homes

Now knowing that some animals' fur grows thicker for staying warm in the winter and temperatures in the winter can be brutal, choose the best answer.


 

  Brutal temperatures       