What were the geographic factors that led portugal to begin its ocean explorations.

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.

How many countries were represented at the paris negotiations (where the treaty of versailles was signed) in january 1919?

What describes the social structure of the south in the antebellum era? check all that apply. a: mass immigration b: small towns c: no organized religion d: little or no organized education e: slow population growth