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| self-purification A natural process of organic degradation that produces nutrients utilized by autotrophic organisms; self-purification | |||
| autopurificación: 1 phrase in 1 subject |
| Environment | 1 |
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| self-purification A natural process of organic degradation that produces nutrients utilized by autotrophic organisms; self-purification | |||
| autopurificación: 1 phrase in 1 subject |
| Environment | 1 |