Given the question: 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.
The answer is:
summer end