問題 1多肢選択What does "upcycling" mean?Recycling materials into lower quality productsReusing materials without changing themTransforming waste materials into new products of better qualityBurning waste materials for energy
問題 2多肢選択Which of the following is an example of upcycling?Throwing away plastic bottlesMelting down aluminum cansTurning old tires into plantersComposting food scraps
問題 3多肢選択Why is upcycling important ?It increases pollution It reduces waste and conserves resourcesIt makes products more expensiveIt consumes more energy
問題 4多肢選択What kind of materials can be upcycled?a.Only plasticb. Only paperc. Various materials like plastic, glass, and fabricd. Only metal