This is the 2697th most frequent Russian word.
африке
"Африке" is the prepositional case of "Африка," meaning "Africa" in English.
In this sentence, "в Африке" serves as a location indicating where the safari takes place, using the preposition "в" for "in" followed by the prepositional case.
Я мечтаю посетить сафари в Африке.
I dream of going on a safari in Africa.
Here, "в Африке" again indicates location, specifying where the children are experiencing difficulties, utilizing the prepositional case for the noun "Африка."
Дети в Африке часто сталкиваются с трудностями.
Children in Africa often face challenges.
In this question, "в Африке" describes the potential place of residence, employing the preposition "в" paired with the prepositional case.