poluarea
DESCRIPTION
PoluareaTRANSCRIPT
Surse bibliografice:http://www.didactic.ro/materiale-didactice/poluarea-5
http://www.cursuri.flexform.ro/courses/L2/document/Cluj-Napoca/grupa3/Pop_Rodica_Olivia/site/apa.htm
http://protectio.org/poluarea-aerului/
http://www.cursuri.flexform.ro/courses/L2/document/Cluj-Napoca/grupa3/Pop_Rodica_Olivia/site/apa.htm
http://www.cursuri.flexform.ro/courses/L2/document/Cluj-Napoca/grupa3/Pop_Rodica_Olivia/site/apa.htm
http://www.cursuri.flexform.ro/courses/L2/document/Cluj-Napoca/grupa3/Pop_Rodica_Olivia/site/apa.htm