A certain type of decorative lamp contains colored liquids from globs that break off and rise to the top of the liquid. the globs rise due to

Convection.

Explanation:

Due to the heat of the lamp, the liquid increases its temperature. This increase produces an increase in the energy and volume of the globs. But it also causes a decrease in the density of the bubble. As a result, they break off and rise to the top. We can see that the globs rise owing to convection because there is a transfer of heat in the fluid caused by the movement of the fluid's molecules with more energy towards the surface, where the molecules have less energy and are colder.

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