Final Answer:
1. Pollutant: Industrial waste (e.g., chemicals from factories)
Solution: Enforce strict waste-treatment laws and require factories to clean water before releasing it.
2. Pollutant: Plastic trash (e.g., bottles, bags washed into rivers)
Solution: Ban single-use plastics and set up better recycling and cleanup programs.
3. Pollutant: Sewage from homes and farms (e.g., untreated wastewater, fertilizer runoff)
Solution: Build modern sewage treatment plants and teach farmers to use less chemical fertilizer.
Parent Tip: Review the logic above to help your child master the concept of water pollution worksheet high school.