Addie and evelyn, two 65-year-olds, were college students in the free-spirited, politically engaged, and open-minded atmosphere prevalent in the 1960s. they share a particular curiosity about the world and remain active in local organizations committed to women’s causes. researchers may explain the women’s sharp, sustained cognitive abilities by citing

If you heat soup on a stove, what happens to the movement of the soup’s particles? a. the particles move slower. b. the particles move faster. c. there’s no change in the speed of particles. d. the particles stop moving.

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 process of rocks breaking down and becoming other rocks