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In the physical sciences, an energy transfer or 'energy exchange' from one system to another is said to occur when an amount of energy crosses the boundary between them, thus increasing the energy content of one system while decreasing the energy content of the other system by the same amount.
Added 9/14/2014 3:34:03 PM
This answer has been confirmed as correct and helpful.
Confirmed by
jeifunk [9/15/2014 1:28:03 AM]
