Direction: Answer the following questions by selecting the correct/most appropriate options.Consider the statements A, B, C on time zone and choose the correct answer:A. Some countries have a great longitudinal extent and so they adopted more than one standard time.B. The earth has been divided into twenty-four time zones of one hour each.C. Each time zone covers 15º of longitude.

• A. A and B are correct and C is incorrect.
• B. A and C are correct and B is incorrect.
• C. B and C are correct and A is incorrect.
• D. A, B, C all are correct.