Use of English · Parte 1
In Africa, scientists (0) ARE hard at work (1) .......... land once rich with biodiversity and vegetation. Eleven countries in the Sahel-Sahara region have (2) .......... to combat land degradation and bring back native plant life to the landscape. In recent years, northern Africa has seen the quality of arable land…
Sblocca tutti gli esami, simulazioni illimitate, tutte le 80 fasi del gioco e altro ancora.