The five main latitude regions of the Earth's surface comprise geographical zones, divided by the major circles of latitude. The differences between them relate to climate. They are as follows: 1  The North Frigid Zone, north of the Arctic Circle, 4.12% of Earth's surface.he five main latitude regions of the Earth's surface comprise geographical zones, divided by the major circles of latitude. The differences between them relate to climate. They are as follows: 1  The North Frigid Zone, north of the Arctic Circle, 4.12% of Earth's surface.
According to Wikipedia, at six years of age, Kayla Rolland is believed to be the youngest school shooting victim in U.S. history. Dedric Owens is the youngest school shooter. Due to his age (born on May 5, 1993) and the legal claim that at that age he would have the lack of ability to form intent, Owens was not charged with murder.
The United States Secret Service published a study regarding 37 school shooting incidents in the United States from 1974 through June 2000, which warned against the belief that a certain type of student would be a perpetrator. According to the study, any profile could apply to any student and might not apply to a potential perpetrator.