9th Class Social Science Climate / जलवायु Question Bank 9th CBSE Social Science Climate

  • question_answer
      What are the six major controls of the climate of the world?

    Answer:

                      (i) Latitude: Due to the round shape of the Earth, the amount of solar energy received varies according to latitude. As a result, air temperature decreases from the equator towards the poles. Altitude: As one moves up to the higher altitudes, the atmosphere becomes less dense and temperature decreases. Therefore, hills are the cooler during summers. (iii) Pressure and winds: Pressure and wind  system of an area depend on the latitude and altitude of the place. Thus, it influences the temperature and rainfall pattern. (iv) Distance from the sea: If the region is close to the sea, it makes the temperature moderate but if it is away from the sea, it experiences extreme weather conditions. (v) Ocean currents: Ocean currents along with the onshore winds affect the climate of a coastal area. Any coastal area with warm or cold currents flowing past it, will become warm or cold if the winds are onshore. (vi) Relief: High mountains act as barriers for cold and hot winds. They may also cause precipitation if they lie in the path of rain-bearing winds. The leeward side of mountains remains dry, whereas the windward side is able to receive rain.


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