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.
The Mississippi River is the main river that supports much of the American civilization. With its source Lake Itasca at 1,475 feet (450 m) above sea level in Itasca State Park located in Clearwater County, Minnesota, the river falls to 725 feet (220 m) just below Saint Anthony Falls in Minneapolis.