global warming (1)
TRANSCRIPT
1. global warmingand its effectsPreparet: Natalia Kaletaand Weronika Kulesza 2. ozone hole 3. polar bears - victims of global warming 4. melting glaciers 5. The end
TRANSCRIPT
1. global warmingand its effectsPreparet: Natalia Kaletaand Weronika Kulesza 2. ozone hole 3. polar bears - victims of global warming 4. melting glaciers 5. The end