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FIRST CLASS SCOUT

Why Leaves change Color and Fall to the Ground Each autumn the leaves of many broad-leaved trees turn led, orange, yellow, and brown. Those colors were in the leaves all summer, but were hidden beneath the geen of the chlorophyll. With the approach of colder weather and fewer hours of daylight, a tree's food production drops, and so does the amount of chlorophyl1 in the leaves. The green fades, and other coLors show through. Next, a Iayer of cells In the stem cuts the tissues that hold the leaf off its branch, and it falls to the ground There it decomposes, releasing nutrients into the soil so that they can be used agaln.