https://padlet.com/rmaricarmen004/mi_padlet en-us 2024-06-28 17:58:44 UTC 2024-06-28 18:22:42 UTC hello@padlet.com https://padlet.net/icons/8.0/png/1f31f.png rmaricarmen004 https://padlet.com/rmaricarmen004/mi_padlet/wish/3040954509 2024-06-28 18:19:10 UTC https://padlet.com/rmaricarmen004/mi_padlet/wish/3040954509 rmaricarmen004 https://padlet.com/rmaricarmen004/mi_padlet/wish/3040955088 La contaminación es la presencia de un constituyente, impureza o algún otro elemento indeseable que estropea, corrompe, infecta, inutiliza o degrada un material, cuerpo físico, entorno natural, lugar de trabajo, etc.

]]> 2024-06-28 18:21:06 UTC https://padlet.com/rmaricarmen004/mi_padlet/wish/3040955088 rmaricarmen004 https://padlet.com/rmaricarmen004/mi_padlet/wish/3040955765 2024-06-28 18:22:42 UTC https://padlet.com/rmaricarmen004/mi_padlet/wish/3040955765