You are presented with the question "When do many trees respond to the days growing shorter?" and the following answer choices: 
- air cools
 - Winter
 - wind
 - in fall
 - in summer
 - autumn
 - late winter
 - in spring

Now knowing that many plants respond to the days growing shorter in the fall by going dormant and trees are dormant from November to March, choose the best answer.


 

    in fall     