Which of these represents transfer of heat through conduction when a fireplace is lit in a room? hot air rises through the chimney. cool air is drawn in from the sides. a spade placed in the fire turns hot. a person sitting nearby feels the heat.

A spade placed in the fire turns hot.  

Explanation:

If you place a spade in the fire, the heat travels through the metal towards your hand.  This is an example of conduction: the transmission if heat through a substance by  collisions between its particles.

A and B are wrong. The transmission of heat by the movement of air is convection.

D is wrong. A person sitting near the fire feels the heat by radiation.

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answer is

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