1. Factories dump waste into rivers. A lot of fish die. If ..................................................................................................................... 2. People use plastic bags. Oceans are full of plastic garbage. If ..................................................................................................................... 3. I don't walk to school. I don't save a lot of money. I will ..................................................................................................................... 4. People build too many houses. Land for farming decreases. Land for farming .................................................................................................... 5. The Earth becomes hotter. The polar ice cap melts. If ................................................................................................................... 6. The polar ice cap melts. Sea level rises. If ..................................................................................................................... 7. We don't use recycled products. We don't help the environment. We ..................................................................................................................... 8. We breathe polluted air. We suffer from lung diseases.  If ..................................................................................................................... 9. People don't often cycle. There is much air pollution.  There ..................................................................................................................... 10. You don't write on both sides. You waste your paper. You ..................................................................................................................... Helpppppppppp me!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!. Mik sẽ cho ctlhn ạ