Test Index

BECE Social Studies 2023 Paper

Question : 22

Total: 40

Solution:

Concept:

Lines of longitude are used to calculate time because the Earth rotates through them relative to the Sun.

Explanation:

• The Earth rotates

360^\circ

in about 24 hours.

• Therefore, each

15^\circ

of longitude represents a one-hour difference in time.

• This is why longitudes, especially the Prime Meridian, help determine time zones.

Answer:

A. longitudes.

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