62) Which of the following is true regarding the 0° prime meridian?
A) There was no way of determining this meridian at sea until as late as AD 1760.
B) The prime meridian passes through Paris, France.
C) International agreement regarding the location of the prime meridian was not resolved until
the 1980s when a treaty was completed.
D) The key to measuring angular distances east and west of the prime meridian was the
development of accurate compasses.
63) The basis for defining the length of a day is the fact that
A) Earth rotates east to west.
B) Earth moves through 365.25 days a year in its orbit about the Sun.
C) Earth rotates on its axis in 24 hours; i.e., it rotates 15° of longitude per hour.
D) Earth does not rotate; rather, it revolves.
64) The meridian opposite of Earth’s prime meridian (0° longitude) is called
A) secondary meridian.
B) the anti-meridian.
C) the equator.
D) the International Date Line.