All that pressure keeps the metal in the inner core in solid form, despite its extremely high temperature. Recent scientific studies lead experts to believe that Earth's inner core is approximately 10,800Âº F â or about the same temperature as the surface of the Sun!
The New York City Police Department (NYPD) is the largest police department in the United States, with 32,284 officers as of 2009, and serving the combined populations of the Bronx, Brooklyn, Manhattan, Queens and Staten Island.
The New York City Department of Sanitation is the largest sanitation department in the world, with 7,201 uniformed sanitation workers and supervisors, 2,041 civilian workers, 2,230 general collection trucks, 275 specialized collection trucks, 450 street sweepers, 365 salt and sand spreaders, 298 front end loaders, and 2,360 support vehicles.