tag:blogger.com,1999:blog-5111457403456747332.post8537159321086736479..comments2023-07-13T08:03:47.077-04:00Comments on Las 7 letras: Curiosidades de la Ciencia: Plástico Biodegradable y GermicidaMaría Helenahttp://www.blogger.com/profile/03770183398552305185noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5111457403456747332.post-19063036146357664862008-05-10T11:09:00.000-04:302008-05-10T11:09:00.000-04:30hello my friend. beautiful blog. have a nice dayhello my friend. beautiful blog. have a nice dayAnonymousnoreply@blogger.com