1 How long does ground beef last in the freezer for safety purposes? 2  The freezer time shown is for best quality only â foods kept constantly frozen at 0Â° F will keep safe indefinitely.
Lines of Longitude run from pole to pole (north-south) all the way around the globe and tell you your distance east or west from the âPrime Meridianâ. The Prime Meridian is Longitude Zero, and is a reference line from which longitude east and west are measured.
Longitude: (shown as a vertical line) is the angular distance, in degrees, minutes, and seconds, of a point east or west of the Prime (Greenwich) Meridian. Lines of longitude are often referred to as meridians.