ALL OF US

QUALITY LABEL PRIZE

QUALITY LABEL PRIZE
Recognition to our effort

WORKING TOGETHER

WATER POLLUTION

Monday, May 7, 2012

BY ELA MARIA ZORZOANA

2 comentarios:

Pedro Fernández said...

Very good presentation ELA, and interesting topic. We are studying it in Science by the moment and it is very useful for us, my students and me.

BiBi ANA SVK said...

good job, trully!!!! :)