All of these colors are due to the mixture of varying amounts of the chlorophyll residue and other pigments in the leaf during the fall season.
(All of these colors; are; due to the mixture of varying amounts of the chlorophyll residue and other pigments in the leaf during the fall season)
All of these colors
are
due to the mixture of varying amounts of the chlorophyll residue and other pigments in the leaf during the fall season