46. In which case can convection current be produced?
aApplying heat to a substance in a container
c. Dissolving a substance in a hot liquid
b. Burning a substance in a closed container d. Evaporating a substance by applying heat
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46. In which case can convection current be produced?
aApplying heat to a substance in a container
c. Dissolving a substance in a hot liquid
b. Burning a substance in a closed container d. Evaporating a substance by applying heat
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Answer:
D.
Explanation:
Because the two plates collide