Sciencespeaking topic
A tree stores more and more carbon as it ages, but when it finally dies and rots it gives it all back. So nothing is permanent; it was only borrowed. In nature, is owning actually a matter of holding something in trust?
— carbon cycle / matter cycle
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.
similar topics
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