Which of the following is true about the economies of Latin America and the Caribbean? Group of answer choices

They mostly rely on the extraction of natural resources, especially fossil fuels.

They have diverse economies and don't rely on a single industry.

They rely solely on agriculture and cash crops.

They don't have any factory or service-based industries.

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.