The appropriate dose of biotin depends on several factors such as the userâs age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for biotin. Keep in mind that natural products are not always necessarily safe and dosages can be important.
The symbol of copper is Cu, which means cuprum, the Latin word for copper.t was called cuprum back in the day, which i â¦ s Latin. And that Latin name is the source of its chemical symbol, Cu.   You may be familiar with natrium (sodium, chemical symbol Na) and ferrum (iron, chemical symbol Fe).
For other uses, see $ (disambiguation). The dollar sign ($ or ) is a symbol primarily used to indicate the various units of currency around the world. The symbol can interchangeably have one or two vertical strokes. Note that the two-stroked version is not the same symbol as the cifrÃ£o.