Match the questions to the answers. 1. What is the main reason for thermal pollution? 2. What effect does thermal pollution have on aquatic animals? 3. How to minimize the water pollution due to Chemicals? 4. What diseases are usually caused by air pollution? 5. Which gas is mainly responsible for global warming? 6. What are the effects of noise pollution? 7. Why are plastic bags a big environmental nuisance? 8. What are sources of radioactive pollution? a. They are non-biodegradable and create an environmental harzard. b. Nuclear wastes from nuclear power plants, mining and processing of nuclear material etc. c. Carbon dioxide. It contributes about 55% to global warming. d. It affects their growth and may kill off them. e. Hot water released by power plants and industries. f. Sleep disturbance, high blood pressure, emotional problems and annoyance. g. Rickets, throat cancer, lung cancer and breathing problem. h. Treat wastewater before discharging into a flowing body of water.