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| contaminant | |||
| pollution The indirect or direct alteration of the biological, thermal, physical, or radioactive properties of any medium in such a way as to create a hazard or potential hazard to human health or to the health, safety or welfare of any living species | |||
| pollutant | |||
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saaste : 55 phrases, 3 sujets |
| Éducation | 2 |
| Environnement | 52 |
| Sciences de la vie | 1 |