What is ap ? (i'm being serious)

Explain one reason why disorders are not easy to classify.

B. speculate about one positive way and one negative way that this boundary has affected the geographical units it separates over time.

Meritocracy is the belief that hard work and achievement a: can reduce a persons position in society b: can change a persons position in society for the better c: has little influence on a persons social standing d: can decrease social inequality