what happens to governments as societies become more complex. will mark brainliest if two people answer

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.

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.

The graphic organizer includes facts about germany and japan. a student created this organizer for a document-based essay on the expansion of totalitarian states. which fact could be added to column a? results of german elections in the 1930s employment statistics in nazi germany germany’s invasions of poland and france a list of domestic laws passed in germany