The simple view of the bonding in methane You will be familiar with drawing methane using dots and crosses diagrams, but it is worth looking at its structure a bit more closely. There is a serious mis-match between this structure and the modern electronic structure of carbon, 1s 2 2s 2 2p x 1 2p y 1.
The second reason for a low vitamin D is that you have primary hyperparathyroidism due to a small tumor in your neck and the body converts all the vitamin D-25 (that your doctor is measuring) to the active Vitamin D-1-25 (that doctors do not measure). This is the blue blob on the graph.
Symptoms of Low Vitamin D Levels. Vitamin D, also known as the sunshine vitamin, is one of the vital ingredients in a daily diet. If not taken in specified amounts, it can cause various health and beauty problems for an individual. This vitamin is primarily received through direct exposure to sunlight or artificial sources with ultraviolet B light.