Please help to complete this I’m confused

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

Calculate the number of molecules present in 0.750 mol of mgo.