Describe the outer core: Include the thickness (depth), what it is made of, whether it is solid or liquid, and one fact about it.

this is the answer

Explanation:

the third layer of the Earth. It is the only liquid layer, and is mainly made up of the metals iron and nickel, as well as small amounts of other substances

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.