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UPC L6 Video Clip 1: Group 1 discusses CQ 6-1

UPC L6 Video Clip 2: Group 2 discusses difference between heating and cooling

UPC L6 Video Clip 3: Class discusses temperature changes and differences between heating and cooling

UPC L6 Video Clip 4: Group 1 discusses differences between heating and cooling

UPC L6 Video Clip 5: Group 2 discusses CQ 6-2