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.
Here are the most common reasons for yellowing leaves: 1  Normal aging. 2  As many plants age, the lower leaves will turn yellow and drop off as a normal part of growth. 3  This is especially true of foliage plants like dieffenbachia and dracaena.4  In this case, don't worry. Normal aging. 2  As many plants age, the lower leaves will turn yellow and drop off as a normal part of growth. 3  This is especially true of foliage plants like dieffenbachia and dracaena. 4  In this case, don't worry.