All stem of the plants and trees are green in colour when they young. But why does the colour of the stem change to brown as they grow older

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)