Silicon is a member of Group 14 (IVA) in the periodic table. The periodic table is a chart that shows how chemical elements are related to one another. Silicon is also part of the the carbon family. Other carbon family elements include carbon, germanium, tin, and lead. Silicon is a metalloid, one of only a very few elements that have characteristics of both metals and non-metals. Silicon is the second most abundant element in the Earth's crust, exceeded only by oxygen. Many rocks and minerals contain silicon.
circumscribe meaning, definition, what is circumscribe: to limit something: . Learn more.
Circumstantial evidence, on the other hand, is indirect evidence that may lead to the inference that the defendant committed a crime even though there is no direct proof, for example, a washcloth with the murder victim's DNA found at the defendant's house if the two didn't live together.