Compare where various social/economic classes in cities live in the United States and in Europe.

How is the introduction of the cane toad to queensland, australia an example of the unintended consequences of using non-native species to control pests? (site 1)

Guess what ya'll tmr is my birthday i finna be 15 lets ! and if sum person wanna report me because i'm happy then (f.uuu.c.k) outta here cuz you just a b.ii.t.c.h.)

This is a major archaeological site that was once a regional center to the mayan empire in ancient mesoamerica.