41.
Which of the following is the largest irrigation canal in the world?

42.
The Strait connecting Arabian Sea and the Bay of Bengal is ________

43.
Where are the Balearic Islands located?

44.
Which one of the following countries does not border Mediterranean Sea?

45.
Which of the following are factors that effect the movement of ocean currents?
I. Earth's gravity
II. Atmospheric pressure
III. Winds
IV. Salinity of the water
V. Seasonal Variations

46.
Fishing grounds are concentrated in the high latitudes. The reasons are:
1. great length of indented coastline
2. extensive continental shelves
3. water temperatures lower than 20°C
4. sparse population

47.
The Kiel Canal links the ________

48.
The deepest surface depression on earth is

49.
Major source of oceanic salinity is

50.
The deepest trench of the Indian Ocean is

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