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Las - rodzaje i piętra lasu.

Lasy są "fabryką tlenu", chronią nas przed szkodliwym wpływem przemysłu, osłaniają glebę i wody, są ulubionym miejscem wypoczynku ludzi, są ostoją dla tysięcy gatunków roślin i zwierząt. Jedna sosna produkuje tlen dla trzech osób!!!

Elzbieta Norberczyk

on 3 May 2012

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