Describe four reasons why the Fertile Crescent and rivers were important to people and city-states of the area

What is the role of buyer & seller in the marketplace

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.

The federal reserve is responsible for overseeing all a. income tax refunds b. changes in tax policies c. government spending d. depository institutions