Поиск

— a concept, introduced by A.Tensly, meaning a rather stable system of dynamic equilibrium, in which organisms and inorganic factors are full components. In other words,

complex of abiotic, biotic and social environmental conditions that are jointly and directly influencing on people and their households. The concept of E. c. is broader i

Общественные детские (молодежные) объединения — общественные формирования, в которых самостоятельно или совместно со взрослыми добровольно объединяются несовершеннолетние