1. The industrial (waste/ damage/ fumes/ dump) from the factory has polluted the lake. 2.(Aquatic/ Electric/ Chemical/ Fresh) plants may also die because of the polluted water. 3. (Poison/ Poisonous/ Poisoning/ Poisoned ) is a substance that can make people and animals ill or kill them if they eat or drink it. 4. Farmers in our area usually use (pesticides/ herbicides/ waste/ sewage) to kill insects. 5. If we (polluted/ pollute/ pollution/ pollutant) the air, more people will have breathing problems. 6. If you can experience noise pollution for a long time, you can have headache, high blood pressure and (hearing loss/ contaminant/cough/ radiation). 8. (Noise/ Headache/ Earplug/ Symptom) is any sound that is loud and constant. 9. Do you know what (polluted/ pollutant/ pollution/ pollutants) cause air pollution? 10. (Poison/ Poisonous/ Poisoning/ Poisoned) chemical waste is dumped into the river by many factories. 11. The (dead/ die/ death/ died) fish are floating in the water. 12. We plant trees, (due to/ because/ because of/ so) we can have fresh air. 13. When the loudness of sounds is more than (20 dBs/ 30dBs/ 50 dBs/ 70dBs), noise pollution happens. 14.Too much carbon dioxide (CO2) in the atmosphere (causes/ leads/ results/ makes) to global warming 15. Waste from households will gradually (contamination/contaminate/contaminant/ contaminated) the lake