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Hydrosphcre — Geography STD 11 Arts — Question

Gujarat BoardEnglish MediumSTD 11 ArtsGeographyHydrosphcre2 Marks
Question
Seawater temperatures are not the same everywhere.
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Answer

  • When the sun's rays first fall on the surface of the ocean, the temperature of the surface water rises.
  • Then the heat spreads elsewhere under the influence of ocean currents, winds, etc.
  • Water is a shallow and transparent medium.
  • So the sun's rays can reach a depth of about $200$ meters in the ocean.
  • The sun's rays cannot reach deeper so there are$...........$ and the temperature decreases as we go deeper.
  • The seawater temperature is also not uniform everywhere due to the disparity in the addition of new fresh water to the seawater by rivers, glaciers.

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