Những thách thức về kinh tế và xã hội bắt nguồn từ sự khác biệt về cấu trúc tuổi của dân số? Sinh viên hãy liên hệ với thực tế của Việt Nam?

1. create a hypothetical story of how a violent conflict arose between two groups. in your story, include examples of how in-group bias, out-group homogeneity, out-group derogation, and scapegoat theory lead toward violence between groups. be sure to label each term where it occurs in your story (20 points)

Which sentences do not meet the requirements of an effective thesis statement? select all that apply. due to educational cutbacks, we really need your to buy new softball and baseball equipment. if you donate to our cause, you will receive free tickets to all our school's sporting events. your generous donation will allow our school to offer softball and baseball this year. in addition to free tickets, we will allow you to hang an advertising banner on the outfield fence. if you donate to support our cause, you will not only receive free tickets and a free advertising opportunity, you will earn the devotion and loyalty of many within our school.

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?