in convection currents,
hot molecules rise up.
molecules actually move from their place.
b. cold molecules sink down.
d. all of these
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Answered by
10
Answer:
d . all of these.........
Answered by
2
Answer:D
Explanation:Convection occurs when particles with a lot of heat energy in a liquid or gas move and take the place of particles with less heat energy. Heat energy is transferred from hot places to cooler places by convection. Liquids and gases expand when they are heated. ... The denser cold liquid or gas falls into the warm areas.hope you give me a brainlest
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