3. Effects of a type of pollution: A. Radioactive pollution can result in illness or death. B. Air pollution causes global warming. C. Water pollution makes the water harmful to drink. D. Noise pollution can be caused by household gadgets like TV, mobile, vacuum cleaner, washing machine and dryer, etc. 4. Solutions to pollution: A. The sound levels in clubs, bars, parties and discos should be controlled to reduce noise pollution. B. High air pollution levels can cause immediate health problems C. Solar power should be used to replace coal-fired power in order to reduce air pollution. D. Walking or riding bicyle are the useful ways to reduce air pollution. Mn giúp e vs ạ