Silicon's modern sources mean that where it is found in nature.
Niobium is found in nature. The main source is from the mineral Pyrochlore.
Yes true happiness is found by wealth.
trade
Trade.
cats
gold
Well, I'm not totally sure, but in my Geography book, it says its main source of wealth is Petroleum.
Veramain
Agriculture
P. Diddy's wealth comes from his clothing line (Sean John)
Phosphorus is commonly found in nature in minerals, rocks, and sedimentary deposits. It can also be found in organic compounds in living organisms such as plants and animals. However, phosphorus is rarely found in its pure elemental form in nature.