Silicon is non-toxic as the element and in all its natural forms, nameli silica and silicates, which are the most abundant. Elemental silicon is an inert material, which appears to lack the property of causing fibrosis in lung tissue.
Sponsored Topics. Itta Bena is a city in Leflore County, Mississippi, United States. The population was 2,208 at the 2000 census. The town's name is derived from the Choctaw phrase iti bina, meaning forest camp. Itta Bena is part of the Greenwood, Mississippi micropolitan area.
Sponsored Topics. Alpena is a town in Boone and Carroll counties in the U.S. state of Arkansas. The population was 371 at the 2000 census. The Boone County portion of Alpena is part of the Harrison Micropolitan Statistical Area. Alpena Pass was founded in 1908 on top of a graveyard shortly after the Missouri-North Arkansas Railroad was built through Boone County.