Silica Defined. Silica is another name for the chemical compound silicon dioxide. Each unit of silica includes one atom of silicon and two atoms of oxygen. If you have never heard of silica before, you might be surprised to hear that you probably come into contact with it every day.
The Fifth Circuit, for example, includes the states of Texas, Louisiana, and Mississippi. Cases from the district courts of those states are appealed to the United States Court of Appeals for the Fifth Circuit, which is headquartered in New Orleans, Louisiana.
Courts of Appeals. There are 12 regional circuit courts, and one for the âFederal Circuit,â that were established by Congress to relieve some of the caseload of the Supreme Court, and to hear cases that are appealed from the 94 district courts.