In one sentence, summarize the ruling in Plessy v. Ferguson. In another sentence, summarize the ruling in Brown v. Board of Education and Was precedent followed in Brown v. Board of Education? How do you know this & Why do we refer to some cases as "landmark" cases

Personality traits.. .remain stable throughout life ..change at different rates to different degrees ..are more obvious during childhood ..all of the above

Dr. redbull conducts a study to determine whether her new energy drink children perform better on spelling tests. she randomly assigns children to one of two groups: group 1 receives her energy drink and group 2 receives water. she then gives both groups a spelling test and compares the results. which of the following is true about this study? a. group 1 is the dependent variable and group 2 is the independent variable. b. this is a correlational study. c. group 2 is the experimental group. d. the independent variable is the type of drink the children receive.

During the 1500s, most rulers supported established a. political systems. d. none of the above b. churches c. freedom of speech