Determining the weight of 100 CDs depends on whether only the CDs are weighed or if the CDs have sleeves or jewel cases. A single CD by itself weighs about 0.58 ounces. Therefore, 100 CDs by themselves weigh 58 ounces.
Nitrogen is essential for the growth of leaves and stems, and it helps to give plants a rich, green color. If it is lacking, plants will be pale and sickly-looking, and the oldest leaves will look worse than the newer ones.
Functions of nitrogen in plants. 1  Nitrogen is an essential element of all amino acids. 2  Nitrogen is also a component of nucleic acids, which form the DNA of all living things and holds the genetic code. 3  Nitrogen is a component of chlorophyll, which is the site of carbohydrate formation (photosynthesis).