What is the opportunity cost of going to a university for four years after highschool instead of working?

What is one main reason some governments in the twentieth century began campaigns of genocide? a) a minority group wanted total independence. b) a minority group wanted more say in lawmaking. c) a minority group had different cultural customs. d)a minority group protested against government policy.

Which of the following is not true about the supreme court?

From where do ocean waves obtain their energy