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 is so important, itâs one of my top six biohacks. Vitamin D deficiency can cause low estrogen in women, which means low sex drive. It also causes low testosterone in men. So if you tend to feel more frisky during the summer than the winter, thereâs a very good reason for it â increased vitamin D causes your hormones, and your libido, to peak during summer months.