Oiu-kaie-mmc i m from india so show me girls u r b..oo...bs​

Which of the following is an example of the pull factor known as economic migration? a. better educational opportunities pulling people towards a new country b. mexican laborers entering the us to work in agricultural jobs c. joining family members that are already in a new country d. crop failures driving people away from their country i am unsure on this question, i was thinking b? but i could be wrong.

List of social classes of the shang dynasty in order ?

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price