Fall has arrived. This season is the time of year when tree leaves change colors, offering a collection of vibrant autumn hues.

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Why do leaves change colors?

The change from green leaf colors is driven primarily by the shrinking hours of daylight and the growing length of nights. Depending on the variety of tree, biochemical processes in leaves end the production of green chlorophyll, unmasking two other chemicals already within leaves — carotenoids and anthocyanins, revealing their colors.

Weather conditions also play a role in the brilliance of leaf colors, with tem

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