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.
Report Abuse. The source of the Mississippi River is Lake Itasca (which is 1,475 ft above sea level) in Itasca State Park located in Clearwater County, Minnesota. It ends in southeast Louisiana. However, through a natural process known as delta switching the end of the Mississippi River has shifted its final course to the mouth of the Gulf of Mexico every thousand years or so.