Question

What is Conduction? *

When heat transfers by waves through empty space.
When heat is passed from particle to particle through an object.
When particles get heated, expand, and become less dense.
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Answer 1

Answer:

2nd statement is answer objects in contact conduct heat

Answer 2

Conduction is the transfer of energy in the form of heat or electricity from one atom to another within an object by direct contact. Conduction occurs in solids, liquids, and gases. ... Conduction of electricity occurs due to the movement of electrically charged particles through a medium.