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.
In geography, longitude refers to the imaginary lines that bisect the globe through the North and South Poles (the ones that run vertically, as opposed to the lines of latitude that run horizontally, parallel to the equator).