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.
With its source Lake Itasca at 1475 feet (450 m) above sea level in Itasca State Park in northern Minnesota, the river falls to 725 feet (220 m) just below Saint Anthony Falls in Minneapolis. The Mississippi is joined by the Illinois River and the Missouri River at Saint Louis, and by the Ohio at Cairo, Illinois. The Arkansas River joins the Mississippi in the state of Arkansas. The Atchafalaya River in Louisiana is a major distributary of the Mississippi.