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

Question

Quizplus · Accepted Answer

Standard time zones are 15° wide because Earth rotates through that distance in one hour. This is necessary for accurate timekeeping and avoids confusion when traveling between different areas. The other options are incorrect - standard time zones have been generally established, they are used in both developed and developing countries, and the spacing of time zones at 5° intervals of longitude is specific to North America.

Standard Time Zones