Plastic, wrappers, metal cans, food waste and batteries harm river life. These can poison fish, clog waterways and reduce oxygen in water. Toxic items like batteries are especially dangerous to all forms of life. Class 5 EVS Our Wondrous World Unit ...
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I’ll build sewage treatment plants, plant trees, create flood zones and harvest rainwater. Pipes will carry clean water and canals will irrigate farms. I’ll educate citizens on water-saving and river cleanliness. Class 5 Our Wondrous World Chapter 2 Journey of a ...