Not only does its name anticipate the American document of a century later, the English Bill of Rights anticipates some of the American billâs specific provisionsâfor example, the Eighth Amendmentâs ban on excessive bail and fines and on cruel and unusual punishment.
If the leaf contains carotene, as do the leaves of birch and hickory, it will change from green to bright yellow as the chlorophyll disappears. In some trees, as the concentration of sugar in the leaf increases, the sugar reacts to form anthocyanins. These pigments cause the yellowing leaves to turn red.
What causes leaves to change colors in the fall. As the days get colder and the forecast gets soggier, the annual fall foliage show begins. But it takes more than cooler temperatures to change the leaves. In fact, many environmental factors come into play to give us these vibrant color displays.