1) Things we throw away because we don’t need them anymore (like old food or broken things). 2) Using old things to make new things, instead of throwing them away. 3) The world around us: the air, water, animals, trees, and people. 4) A material used to make bottles, bags, toys, and many other things. 5) Putting rubbish into the right bins (for paper, plastic, food, etc.). 6) Putting a small tree in the ground so it can grow.

Environment

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恢復自動保存: ?