The metal aluminum coils in an air conditioner conduct thermal energy from inside the house and release it outside the house. what can be said about the coils when they are accepting the heat inside the house?

They must be cooler than the air inside the house.

Explanation:

The metal aluminum coils in an air conditioner conduct thermal energy from inside the house and release it outside the house. It is true to say that the coils are cooler than the air inside the house when they are accepting the heat inside the house. Heat will always flow from hot to cold substances

object 2 because all the other ones are wrong

b.a device that inputs heat into a cool object