Q. Consider the following:
  1. Tides are of great help in navigation and fishing.
  2. High tide enables big ships to enter or leave the harbour safely.
  3. Tide prevents siltation in the harbours.
  4. Kandla and Diamond Harbour are tidal ports.
Which of the above statements is / are correct?

Answer: 1, 2, 3 & 4
Notes:

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