Grassland, Dessert, Forest, Savanna
Answer: C. When it’s members communicate informally online
One of the impacts of the growing trans-Saharan trade was the spread of Arabic as a written language in West Africa. Arabic became not only a language of faith and religious scholarship, with the many mallams, shereefs, and other seers who came to the region. It was also a language of government and law.
So positive four u going to choose -9 and then u add them up and u get -5 for the y box