The troposphere is the portion of the Earth's atmosphere that extends from the surface of the Earth to a height of about 3.7 miles (6 km) at the North Pole or the South Pole and 11.2 miles (18 km) at the equator.
A correctional facility is the building that many criminal justice systems use to detain offenders. These facilities may hold accused people prior to trial, convicted criminals, juvenile offenders, and other types of individuals.
A private or for profit prison, jail, or detention center is a place in which individuals are physically confined or interned by a third party that is contracted by a government agency.