【单选题】Longitude and Latitude The meridians of longitude are imaginary great circles drawn from pole to pole around the earth. By international agreement, the meridian of longitude passing through Greenwich,...
【简答题】What does one need to accuratelydetermine the longitude while at sea?A. The time on board the ship and the latitude. B. The time both on board the ship and at a fixed location of known longitude. C. T...
【单选题】Longitude and Latitude The meridians of longitude are imaginary great circles drawn from pole to pole around the earth. By international agreement, the meridian of longitude passing through Greenwich,...