Slums exist for people in poverty that are struggling to gain more money.
The crust is the thinnest and outermost level of the earth. Beneath the crust is the mantle, beneath the mantle is the outer core, and the deepest level of the earth's interior is called the inner core.
About C.200 minerals are known as rock-forming minerals.
The first one is D
The second is B I think
I'm pretty sure it descends? I'm not possible 100% though
