The mixture of red, purple, orange and yellow is the result of chemical processes ... of varying amounts of the chlorophyll residue and other pigments in the leaf during the fall season. As the fall ...
The Southern Maryland Chronicle on MSN3d
USPS Debuts Vibrant Leaves Fall StampsThe U.S. Postal Service launched its Vibrant Leaves postcard stamps on March 17, 2025, celebrating the vivid hues of fall ...
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