The elimination of an organism in an ecosystem takes out all balance. There may be an overpopulation of some organisms, and an underpopulation of others. For an example, if rabbits were taken out of the food chain, there would be an overpopulation of grass, and underpopulation of what eats rabbits.
The north American city that’s not considered as one of the three largest city in the world could be Chicago
.<span>D: To keep the opposing parties separate after a war is settled</span><span>
I think that the United Nations is meant to be a peace keeping "force". Are, though, wars ever truly "settled" ?</span>
