Question

3. Convection currents in a liquid or gas is formed due to change in______​

Answer 1

Explanation:

The convection currents tend to move a fluid or gas particles from one place to another. ... This happens due to the reason that molecules within liquids or gases are free to move. The heat energy can be transferred by the process of convection by the difference occurring in temperature between the two parts of the fluid...

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Answer 2

Answer:

change in density of fluid