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Geography Ch4 Hydrosphere — Social Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9Social ScienceGeography Ch4 Hydrosphere2 Marks
Question
Write a brief note on sea waves.
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Answer

  1. Of all the movements of the oceans, sea waves are considered to be the strongest.
  2. Sea waves are ripples on water caused when winds blow over the sea.
  3. The height of these waves depends on the speed of wind, its duration and the direction from which they blow.
  4. Sometimes waves are also caused by tremors felt on the ocean floor.
  5. Such waves are quite destructive and called Tsunami.

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