You are presented with the question "During what time frame do deciduous trees' leaves change color?" and the following answer choices: 
- summer end
 - dry and hot
 - summer start
 - barrel-shaped
 - dry conditions
 - winter
 - after winter
 - climate

Now knowing that the color of leaves on deciduous trees usually changes in the autumn season and autumn is a season of transistion as the warm summer days fade giving way to cooler weather, choose the best answer.


 

 summer end        