identify the four climate zones in Africa and include important natural features that exist across the zones.

Saharan, Sahelian, wet tropical and equatorial climate

Explanation:

its main object was the establishment of "settlement houses" in poor urban areas, in which volunteer middle-class "settlement workers" would live, hoping to share knowledge and culture with, and alleviate the poverty of, their low-income neighbors.

number 4. should be the correct answer