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प्रश्न
Continental shelf provides good fishing ground.
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उत्तर
They are shallower, thus enables sunlight to penetrate through the water. This encourages abundant growth of grass, sea weeds and plankton. Hence these zones become the richest fishing grounds in the world, e.g. The Grand Banks of Newfoundland.
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संबंधित प्रश्न
Which of the following indicates the correct sequence of the topography beneath the surface of the sea?
Mention the various relief features of ocean floor.
What are the factors that generate the ocean currents?
Write a brief note on sea waves.
Which of the following correctly matched?
Assertion (A): Continental shelf is almost a uniform zone of sea bed with gentle gradient.
Reason (R): This enables sunlight to penetrate through the water.
Assertion (A): The ocean/seawater does not contains calcium in great quantities.
Reason (R): Many of the aquatic animals with shells use the dissolved calcium in the seawater to build their protective shells.
Write a short note on the movement of the ocean water.
Give reason for the following.
The earth is called the Blue Planet.
The oceans are salty. Why?
