NCERT Solutions for Class 7 Science
Chapter 18 Wastewater Story
- Chapter 1: Nutrition In Plants
- Chapter 2: Nutrition In Animals
- Chapter 3: Fibre To Fabric
- Chapter 4: Heat
- Chapter 5: Acids Bases And Salts
- Chapter 6: Physical And Chemical Changes
- Chapter 7: Weather Climate
- Chapter 8: Winds Storms And Cyclones
- Chapter 9: Soil
- Chapter 10: Respiration In Organisms
- Chapter 11: Transportation in Animals and Plants
- Chapter 12: Reproduction in Plants
- Chapter 13: Motion And Time
- Chapter 14: Electric Current And Its Effects
- Chapter 15: Light
- Chapter 16: Water A Precious Resource
- Chapter 17: Forests Our Lifeline
- Chapter 18: Wastewater Story