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.
If watering is not an issue, there are a few other things that may cause the tips of your houseplants to turn brown. 1  Relocation: A change in sunlight, such as if the plant has been moved from one room to another, can cause the plant to drop leaves.