Which of these nations is the most homogenous? united states brazil south korea russia chad

Which statement best completes the diagram of the ways the different branches of government can limit each other's powers?

Because of the housing bubble, many houses are now selling for much less than their selling price just two to three years ago. there is evidence that homeowners with virtually identical houses tend to ask for more if they paid more for the house. what fallacy are they making?

The appalachian mountains rise to heights of about feet. 2,000 2,500 3,000 3,500