Fish struggle to survive in certain lakes when the water has high concentrations of nutrients, leading to low oxygen levels, making it difficult for many animals to live in.
Los peces luchan por sobrevivir en ciertos lagos cuando el agua tiene altas concentraciones de nutrientes, lo que resulta en bajos niveles de oxígeno, haciendo que sea difícil para muchos animales vivir en ella.
| Front | What causes fish to struggle to survive in certain lakes? |
|---|---|
| Back | When the water has high concentrations of nutrients, it is low in oxygen, so few animals can live in it |
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