Question

what is the definition of conduction? when heat is transferred from objects like rays of light or electromagnetically. when heat transfers through the heater or ac in your house. when heat transfers from objects that are touching.

Explanation:

Conduction is the transfer of heat between substances that are in direct contact with each other. The first option describes radiation and the second is a general description of heating - cooling systems operation, not conduction.

Answer:

When heat transfers from objects that are touching.