Approximately how large are mini-fundia estates? question 7 options: less than 10 acres less than 50 acres less than 100 acres less than 500 acres

Apsychologist has developed a series of personality inventories and wants to determine if they are valid. one of the scales measures perfectionism, so he asks a colleague for advice on how to establish the validity of this scale. the colleague tells him that if he were to find a sample of people with personality disorder, these people would obtain high scores on a scale that measures perfectionism.

What would you call a political system that is only meant to last for a short time

Which groups of people most directly benefited from song innovations in the song dynasty‘s open border policy?