Riddle: I can be vegetable peels, leaves, or paper, and I break down naturally. What am I? | Card: 5 / 20 |
Fill in the blank: The best way to manage waste is to follow the three R's: ______, ______, and ______. | Card: 9 / 20 |
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Riddle: I am the act of using an item again instead of throwing it away. What am I? | Card: 15 / 20 |






