plants and animals will not be extinct, we have clean air and water, the future generations can live a healthy life.
Ms. Helen has a lot of used cardboard at home. She then cut the cardboard into several pieces and shape it into a new cardboard doll. Which of the 3Rs has Ms. Helen done?
Recycle
_______ are big holes in the ground where garbages are dumped to be incinerated.
landfills
Using reusable bags is an example of ways to reduce ______ pollution.