roughly how many zones is Chad divided into?
three
what type of region is in the South?
a Sudanian Savanna zone
and in the North?
a desert zone
what is in the middle?
an arid belt
what is the official name for the country?
the Republic of Chad
what is the country named after?
Lake Chad
is that the largest wetland in Africa?
no
what is its rank?
second-largest