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| catastrophe A sudden, widespread disaster or calamity that greatly exceeds the resources of an area or region; disaster The result of a vast ecological breakdown in the relations between man and his environment, a serious and sudden event (or slow, as in drought) on such a scale that the stricken community needs extraordinary efforts to cope with it, often with outside help or international aid | |||
| afet: 18 do fraz, 4 tematyki |
| Finanse | 3 |
| Matematyka | 2 |
| Medycyna | 1 |
| Ochrona środowiska | 12 |