1. A powerful movement of the ocean which proceed constantly in a definite direction
  2. A great circulatory movement of sea water caused by difference in density of sea water
  3. A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth
  4. A wind and pressure system having a low pressure in centre and circular wind motion
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1 Answers

Answer: Option 3

Tides are periodic rises and falls of large bodies of water. A periodic rise and fall of sea water caused by the gravitational force of moon and sun on earth.

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