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.
Latitude and Longitude. To navigate the globe and pin-point your position in the world one uses a coordinate system. There exists several coordinate systems for mapping the globe, but the most common is WGS84 latitude and longitude coordinates. Latitude is vertical direction (Y axis) indicating how many degrees north or south of equator.