8. A cool block of metal is placed on a hot block of metal. What will happen to the thermal energy of the blocks? A.) Thermal energy will flow from the cool block to the hot block until they are the same temperature.
B.) Thermal energy will flow from the cool block to the hot block until the hot block has a lower temperature than the cool block.
C.) Thermal energy will flow from the hot block to the cool block until the cool block has a higher temperature than the hot block.
D.) Thermal energy will flow from the hot block to the cool block until they are the same temperature