Q.X.Muftaydinov, H.M.Qodirov, E.Yu.Yulchiyеv Ekologiya.
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demographic processes (reproduction of population) and an environmental
situation surrounding a person.
Ekologik "iz" –
yashaydigan aholi muayyan sonining hayotini ta‘minlash
uchun zarur bo‗lgan biologik mahsuldor maydon o‗lchami (gektarda).
Dostları ilə paylaş: