David has a intellectual disability. he has an elongated face, high forehead, large jaw, and underdeveloped, large ears. he seems to be socially anxious, and his doctor would like to test him for autism. the doctor might also classify david's characteristics as symptoms of syndrome.

Which institution includes radio televisions and movies

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.

Carbon tetrachloride is a toxic liquid. a carbon tetrachloride molecule has one atom of carbon and four atoms of chlorine. what is its chemical formula?