The atomic theory offers an explanation of a small particle of matter, called the atom. what must be true for a scientific theory, such as the atomic theory, to be strong and well supported?

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.