The Leaves Come Back, Tilda Asked.

Tilda watched the leaves swirl in front of them, furring her brow as she dredged the depths of her brain for the answer. You remember what we learned about plants turning sunlight into chlorophyl? At madison's affirmative nod, tilda continued, hoping she was recalling correctly. The days get shorter in the fall, so there's less light to make chlorophyl or the trees. So those colors were there all along to some extent. I think there's another chemical process that enhances it, makes it stronger. We'll have to look next time we see a school or a library. How come trees don't die in the winter? They stored up some water and food