Fact 1: Some animals' fur grows thicker for staying warm in the winter.

Fact 2: For one, animal fur becomes thicker and more abundant during the winter months.

Given the two facts above, answer the question "In the winter months, animal fur is what for warmth?" with the following options: 
- more thin
 - more abundant
 - more dark
 - important habitats
 - protect them
 - support
 - hard outer covering
 - more sparse


 

  more abundant       