A cause of pollution in the Yangtze River are Industrial wastewater discharge and agricultural chemical fertilizer. Theses waste from industries are polluting the rivers.
Pollution are known as contaminants that affect a place or eater bodies. They can be food waste, industrial waste, etc.
A lot of Factories that are seen closer to the river often dump their waste into the river. The pollution is known to be killing a lot of marine life and other form of wildlife in the river and due to the above, it is not suitable for drinking anymore.
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