Question

Why is heat transfer by convection possible only in liquids and gases

Answer 1

Liquids and gases are fluids. The particles in these fluids can move from place to place. Convection occurs when particles with a lot of heatenergy in a liquid or gas move and take the place of particles with lessheat energy. Heat energy istransferred from hot places to cooler places by convection.

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Answer 2

Answer:

The particles of liquid and gases are fluid. They can move easily that's why transfer in liquid and gases possible