Question

B. Answer the following:
1. What are latitudes? List important latitudes
and their degrees.
2. Define longitudes. Why does local time
vary from one longitude to another?
3. Describe the three Heat Zones.
4. What is International Date Line? Why was
180° longitude chosen for International
Date Line?
5. What is local time?
6. What is standard time? Why was 82.5°
chosen as the Standard Meridian of India?
7. What is Time Zone? Why do some countries
have more than one time zone?​

Answer 1

Answer:

1. the  seven important lines of latitude are the equator at 0 degrees, Tropic of Capricorn at 23.5 degrees south, Tropic of Cancer at 23.5 degrees north, Antarctic Circle at 66.5 degrees south, Arctic Circle at 66.5 degrees north, the South Pole at 90 degrees south and the North Pole at 90 degrees north.

2.We know that the Earth revolves about its axis once every 24 hours. In other words, the Sun completes its apparent revolution of 360o in 24 hours. This means that the Sun crosses each of the 360 meridians of longitude once every 24 hours.

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Answer 2

Answer:

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