Convection currents in liquid or gas is due to

Change in mass of fluid

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Change in volume of fluid

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Change in density of fluid

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All of the above

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Solution

The correct option is C Change in density of fluid
Due to change in density of liquids and gases convection currents are formed.The driving force in convection current is the bouyant force,because at lower heights density will be lower so it will move up due to bouyant force.

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Convection currents in liquid or gas is due to

The correct option is C Change in density of fluidDue to change in density of liquids and gases convection currents are formed.The driving force in convection current is the bouyant force,because at lower heights density will be lower so it will move up due to bouyant force.

The correct option is C Change in density of fluid
Due to change in density of liquids and gases convection currents are formed.The driving force in convection current is the bouyant force,because at lower heights density will be lower so it will move up due to bouyant force.