Answer:
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<span>Conduction occurs when two object at different temperatures are in contact with each other. Heat flows from the warmer to the cooler object until they are both at the same temperature. Conduction is the movement of heat through a substance by the collision of molecules. At the place where the two object touch, the faster-moving molecules of the warmer object collide with the slower moving molecules of the cooler object. </span>
B, the ice blocks demonstrated convection :)
Bohr display says obviously the electron spins around the core in orbit. so circle implies a circular locale around core.
