Which best describes the difference between radiation and conduction? conduction cannot happen when both objects are solids. conduction requires two objects to be in physical contact. conduction can occur between two objects that are very far apart. conduction decreases the movement of the atoms in both objects.

Conduction is went two objects are directly touching each other. They must come into contact with each other. Like sitting on a cold bench that eventually becomes warm due to your body heat. Think of radiation as the suns rays when you get sunburnt.
Your Answer would be B. Conduction requires two objects to be in physical contact.
Hope this helps!

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