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change of phase is a process whereby matter changes form (solid, liquid, gas).Which one of the following constitutes a phase change?
*Burning of wood
*digestion of food
*exhaling
*melting of candle wax
*photosynthesis

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Alkatoe
Melting of candle wax. Solid wax becomes liquid. You can try it home :)
melting of candle wax. (starts off a solid, then burn it with a candle and it becomes a liquid, last, it will evaporate and become a gas

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