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.
Lack of sun exposure: Lack of sun exposure is a major cause of low vitamin d level especially if you live in the northern us. Less likely would be lack of vitamin d in food, but also a possibility if you are on a very restrictive diet.
Vitamin D Deficiency â What Happens in Your Body. When vitamin D levels are low, your body just doesnât seem to work as well. Vitamin D deficiency has been linked to high blood pressure, insulin problems, diabetes risk, obesity and more. Receptors for vitamin D have been found on pancreatic cells that make insulin (leading to a theoretical connection between vitamin D and diabetes).