"Merienda you know what it is in life that you want to do, then the world basically becomes your library. Everything you view, you can view from that perspective, which makes everything a learning asset for you." No es raro que se confundan ambos conceptos porque tienen la misma etimología https://admiralbookmarks.com/story19996935/5-hechos-f%C3%A1cil-sobre-tipos-de-mediciones-ambientales-sst-descritos