Answer :
The fact that, in general, liquids and gases expand when heated gives rise to
b) convection currents in fluids due to changing densities.
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The fact that, in general, liquids and gases expand when heated gives rise to
b) convection currents in fluids due to changing densities.
[tex]\bold{ \green{ \star{ \orange{Mystique35}}}}⋆[/tex]