Răspunsuri

2014-10-01T10:31:12+03:00
10 substante: apa, sarea,oxigen,dioxid de carbon,azot,benzina,aur,argint, bronz,carbune.
10 materiale:sticla, ciment,lemn,bumbac,fonta,cauciuc, plastic,beton,caramida,in.
14 4 14