Đọc đoạn văn, sau đó chon đúng (T) hoặc sai (F) Smoke and waste chemicals are polluting the air and our environment. We are wasting too much power. Smokes from cars, buses, trucks and motorbikes are very harnful. We are producing too much trash. This is polluting the land, the rivers and the oceans, too. What should we do to protect our environment? We should save water and electricity. We shouldn't leave our trash in the country. We should collect used paper, bottles and cans. We can recycle them to save the natural resources. True or False 1. Smokes from vehicles are harful. 2. Waste chemicals pollute the air. 3. Trash is polluting the land, the rivers and the oceans. 4. We aren't wasting too much power. 5. We should leave our trash in the country. 6. We should collect used paper. 7. We can't recycle used bottles and cans. 8. We should save water and electricity 9. We should save the natural resources. 10. We should collect our trash.