"aluselie" - 1 õppematerjal

Vesi

2008 Rakvere SISUKORD VESI...........................................................................................................................................................1 VESI (H2O )..............................................................................................................................................1 VESI LOODUSES.....................................................................................................................................2 HÜDROSFÄÄRI VESI.............................................................................................................................2 VESI INIMORGANISMIS........................................................................................................................2 Meile omane veebilanss...............