Which is the most favorable month for farming beyond the tropic of Capricorn:
If a traveler leaves the U.S.A (W) at 5:00am on Wednesday 25th December and crosses the International Date Line he would arrive Japan (E) at 5:00am on which date?
At a point just north of the Arctic Circle there are twenty-four hours of darkness at the time the sun is directly overhead on which of the following latitudes?
Which are the low latitudes from the groups below?
Local time differs from every 10 of longitude and the next by how many minutes?
