Transcription: Questions 31 through 34. Listen to friends talk about the colors of trees in the fall. I just heard something interesting on the public radio station. Do you know why the leaves on trees turn so many different colors in the fall? I think so. When they die, they dry out and turn brown, or frost and cold turn them other, brighter colors. Well, not exactly. Actually, the autumn that paints our countryside isn't the result of a loss of pigment, but of an uncovering of underlying true colors of the leaves. What do you mean by that? Well, during the summer, tree leaves produce chlorophyll, which is ...
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