<Li> Chad cap . N'Djamena cur . Central African CFA franc (FCFA) lang. French, Arabic </Li> <Li> Republic of the Congo cap . Brazzaville cur . Central African CFA franc (FCFA) lang. French </Li> <Li> Equatorial Guinea cap . Malabo cur . Central African CFA franc (FCFA) lang . Spanish, French </Li> <Li> Gabon cap . Libreville cur . Central African CFA franc (FCFA) lang. French </Li>

How did the climate or geography of north africa