we learnt about sea breeze and land breeze.now that we know some properties of air,can describe the principle,behind the working of hot air balloon.
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Sea breezes are winds that are caused by the differential heating rates of land and sea. During the day the land heats up more rapidly than the sea because:
land has a lower specific heat than water – it requires less heat to raise the temperature of 1 kilogram of earth by 1 degree than it does for water;
the incoming heat warms a shallower layer of the land because earth is a poor conductor of heat. In water the heat is sprread through a significant depth by conduction, convection and foced mixing.
land has a lower specific heat than water – it requires less heat to raise the temperature of 1 kilogram of earth by 1 degree than it does for water;
the incoming heat warms a shallower layer of the land because earth is a poor conductor of heat. In water the heat is sprread through a significant depth by conduction, convection and foced mixing.
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hot air is lighter than cold air
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