You see lightning then count 1.5 seconds before you hear the thunder. How far away was the lightning?

What was the midwest states often called because they were located in the center of the nation

What was different about warfare in the early 1800s and early 1900s?

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.