Read the letter. 156 Chancellor St. Columbus, Ohio 66565 January 11, 2013 Dear Mrs. Withers, I understand that you are selecting student volunteers to distribute campaign fliers. I am studying local government in school, and I admire your work. Your efforts to beautify downtown have improved the landscape of our town. Sincerely, Dawn Jones Which best explains why the signature of this letter is considered formal? The student uses her full name. The student uses "Sincerely." The signature is similar to the greeting. The signature is similar to the body.

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.