Question
Fishing has developed in continental shelves.

Answer

Fishing has developed in continental shelves because-
  1. The portion of the continents that is submerged under water and borders the coastal areas is known as a continental shelf.
  2. They are broad, shallow and gently-sloping plains covered by water.
  3. As the sunlight reaches this part of the ocean bed, plankton grows.
  4. These millions of microscopic organisms found in sea water are an important and favourite food for fish.
  5. Also, the sediments washed from the continental areas add to the food for fish. Thus, millions of fish thrive in this region.

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