Standard time zones
A) have yet to be generally established.
B) are 15 degrees wide because Earth rotates through that distance in one hour.
C) are only used in the developed countries.
D) are spaced at 5 degree intervals of longitude in North America.

Question

Quizplus · Accepted Answer

Standard time zones are 15 degrees wide because Earth rotates through that distance in one hour. This allows for consistency in time-keeping across regions that share the same time zone.

Standard Time Zones