You are presented with the question "What protects plants from blizzards?" and the following answer choices: 
- exoskeleton
 - rats
 - greenhouses
 - horses
 - The atmosphere
 - peachleaf willow
 - Blankets
 - dogs

Now knowing that agreenhouse is used to protect plants from the cold and blizzards are heavy snows, very cold temperatures and high winds, choose the best answer.


 

   greenhouses      