Answer:

1. Refrigerators work by causing the refrigerant circulating inside them to change from a liquid into a gas.

2.Air conditioning units work by removing the warm air from inside your home and pumping it outside, while releasing the cool air back into the room, reducing the temperature.

3.Expert Verified

Conduction transfers heat through direct contact. That is, heat is transferred from the hotter object to the colder one.

Explanation:

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Answer:

1, Refrigerator work by causing the refrigerant circulating inside them to change from a liquid into a gas.

2, Air conditioner provides cold air inside your home or enclosed space by actually removing a heat and humidity from the indoor air.

3, Transfer heat through direct contact.

Explanation:

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