71.
Which factors influence ocean currents?
I. Coriolis force
II. Local winds
III. Waves
IV. Continent shape

72.
The largest delta of the World is

73.
The Coast of Norway is an example of

74.
Find the odd

75.
Ring of Fire is found commonly in

76.
Niagara Falls is located between which of the following pairs of lakes?

77.
The Dogger Bank, the main fishing area of Europe, lies in

78.
Why are major fishing areas of the world confined to the temperate zone?
I. Cold and warm currents meet, creating conditions favourable for plankton growth
II. The fish of these waters are highly palatable as human food
III. There is a ready mark, in the land masses of the zone
IV. The existence of submarine plateaus help in growth of fish population

79.
Which of the following connects the ocean floor level with the continental level ?

80.
In which of the ocean is Sargasso Sea?

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