Factors affecting salinity of seawater

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Questions and Answers

In which zone of the Earth is the salinity of the seas found to be higher due to the presence of hot deserts?

  • Equatorial regions
  • Mid-latitudinal zones (correct)
  • Tropical zone
  • Temperate regions

Why are the seas in the tropical zone more saline?

  • Frequent convectional rainfall
  • Higher temperatures and higher rate of evaporation (correct)
  • Presence of hot deserts
  • Low temperatures and low rate of evaporation

What characteristic of the equatorial calm belt leads to frequent convectional rainfall?

  • Low humidity levels
  • Low temperatures
  • Cloudy skies for a long period (correct)
  • Clear skies

Why do landlocked seas have higher salinity compared to open seas?

<p>Lack of freshwater supply and high evaporation rates (C)</p> Signup and view all the answers

Which region experiences lower salinity due to the slanting sunrays and melting snow?

<p>Temperate regions (D)</p> Signup and view all the answers

What factor contributes to the low salinity in polar areas?

<p>Low evaporation rates (C)</p> Signup and view all the answers

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