At the North Pole, one degree of longitude extends ________ kilometers (miles) on the ground.
A) 0 (0 miles)
B) 10 (6.21 miles)
C) 100 (62.13 miles)
D) 1,000 (621.37 miles)
E) 10,000 (6213.71 miles)
Question 2
The Greenwich Meridian is also known as the ________.
A) perihelion
B) aphelion
C) Prime Meridian
D) equator
E) small circle