![Oder mass fish deaths: Searching for clues to Polish-German border mystery](https://moverremovals.com/wp-content/uploads/2022/08/126455283_gettyimages-1242472892-750x465.jpg)
Oder mass fish deaths: Searching for clues to Polish-German border mystery
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Scientists suspect a pollutant caused high salt levels, encouraging algae to flourish, suffocating fish.
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Scientists suspect a pollutant caused high salt levels, encouraging algae to flourish, suffocating fish.
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Source link