Create a poster showing a river with nearby homes, farms using canal irrigation, boats transporting goods, fishermen at work and animals drinking water. Add trees, factories and dams to show complete river use. Class 5 NCERT EVS Our Wondrous World Chapter ...
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They said rivers were cleaner, with more fish and fewer factories. Today, rivers are polluted with waste, plastic and sewage. Urban growth and careless use have caused this change over time. Class 5 Environmental Studies Grade 5 Chapter 2 Journey of ...