General Knowledgespeaking topic
Is it greener to wash dishes by hand or in the machine? Intuition says by hand, but modern dishwashers use less water and less energy. Why does our intuition fail here, and what do the measurements say?
— studies on dishwasher vs hand washing water use
practice with this topic
Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.
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