Poluarea reprezinta contaminarea mediului inconjurator cu materiale care deterioreaza sanatatea umana, calitatea vietii sau functia naturala a ecosistemelor. Poluarea sonica produce stress, oboseala, diminuarea sau pierderea capacitatii audutive, instabilitate psihica, randament scazut, fisurarea cladirilor, spargerea geamurilor etc. Ppt poluarea aerului powerpoint presentation free to download id. Sign up for your free prezi basic account presentation.
Acestea sunt elementele mediului natural asupra carora a intervenit omul prin activitatile sale. Invatamant primar cunoasterea mediului stiinte ale naturii proiecte educationale clasa a 4a. Sunetul reprezinta o vibratie a particulelor unui mediu capabila sa produca o senzatie auditiva. Dawn of war soulstorm, an strategy game, for pcs and laptops with windows systems. The meditation power homepage was created in 2007, always offering the best in acoustic brainwave activation. This trainer may not necessarily work with your copy of the game. Sunt prezentate detalii despre protectia mediului, mediul natural, calitatea mediului, geneza. Impactul poluarii aerului atmosferic asupra sanatatii. A free powerpoint ppt presentation displayed as a flash slide show on id. Download as doc, pdf, txt or read poluarea solului referat poluarea solului. Victory conditions and first steps factions sparta.
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