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qualitatively new properties, which are impossible to forecast, proceeding from the sum of properties of ecosystems' components.

species or other taxonomic unit which is under a threat of diminishing or survival of which is impossible unless the threat causing factors are eliminated.

partial or full insulation of wastes from an environment with application of different regulating methods and facilities making practically impossible their further repro

1. fizik jihatdan, fizika nuqtayi nazaridan; 2. sira, mutlaqo, tamoman; physically impossible mutlaqo mumkin emas, sira ham iloji yo‘q 1. физически; 2. совершенно; physic

/im'pɒsəbl/ adj 1 imkonsiz, mumkin bo'lmagan, imkoni yo'q, mahol 2 mushkul, og'ir, qiyin - impossibility /impɒsə'bıləti/ n (pl impossibilities) imkonsizlik, mahollik, mus

Diffuse pollution sources without a clearly defined coordinates of their origin. The pollutants are mainly spread on the land by rain water. Usually non-spot sources of p