semineram

media type="file" key="Tsunami II-3.wmv" width="150" height="150"media type="file" key="Tsunami II-3.wmv" width="150" height="150"media type="file" key="The plants that change the world.wmv" width="150" height="150"media type="file" key="Famous Couples.wmv" align="left" width="150" height="150" [|Greenhouse_gas][|Causes of climate change][|Our effect on the earth]Извори на СО2 пред индустриската револуција, Вулкани [|VOLCANO] [| Sliki] [|http://www.youtube.com/watch?v=iSedCx3Lb5g]