41.
For a time difference of two hours, the longitudinal distance will be equal to ________.

42.
When it is 12 noon at Greenwich, what is the time at New York (74° W) ?

43.
What is the difference between the Local time and Greenwich time one degree longitude?

44.
The distance between the earth and the sun is smallest in the month of ________

45.
Which one of the following would have occurred if the earth had not been inclined on its own axis?

46.
Which of the following statement is correct?

47.
What is the correct sequence of the following layers of the Earth as one moves from the surface to the interior:
1. Mantle
2. Crust
3. Core
Select the correct answer by using the codes given below

48.
Which one of the following organisations is responsible for publishing topographical sheets?

49.
The South Pole experiences continuous light at ________

50.
Sea tides show variations because of ________

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