Ineed the answer plz to check these off for

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 economic system has the greatest opportunity for change

Ineed your asap, it due a crisis erupted in the 1830s over nullification. nullification is stating that something is null and void (not valid) and is not accepted. to nullify is to refuse to recognize. with the definition of nullification above, identify the cause of the political crisis in the 1830’s and the risk it created for the nation. question 3 options: the crisis was over the power of the presidency- the congress believed that the president should not be allowed to keep the power of the veto. the risk to the country was the presidency turning into a dictatorship. the crisis was a power struggle between the states rights and power of the federal government. the risk to the country was the possibility of states seceding from the union. the crisis was over whether taxing was constitutional. the risk to the country was that the people were being taxed unfairly the crisis involved states deciding to support other countries in their civil wars. the risk to the country was that states may begin fighting with each other over their alliances.