Which best describes how geography affected the ancient civilizations in Egypt and Mesopotamia? A. Large deserts provided many mineral deposits
B.
Large savanna areas provided protection from invaders.
C. River valleys flooded providing rich soil to grow plentiful crops

Where did the constitutional convention take place

Countries that are neither core nations nor peripheral nations

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.