What are the evidences that were proposed by Alfred Wegener to explain the movement of Earth’s tectonic plates? A. plant fossils, animal fossils, and GPS measurements
B. fossils, mountain ranges, and glacier grooves
C. glacier grooves, fossils, and sonar (mapping ocean floor)
D. mountain ranges, fossils, and GPS measurements

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.

Chen's research team randomly assigned some newborns and their mothers either to a breastfeeding promotion group (where breastfeeding was encouraged, but not required) or to a normal pediatric care group (where breastfeeding was neither encouraged nor discouraged). which research method did they use?

What is the largest room in the white house