Social Studies, 28.04.2021 09:30 kennedymattkm
Compare and contrast any 4 geographical features of north america
Answers: 2
Social Studies, 22.06.2019 05:00
Psychologists studying infant memory want to determine at what age babies can remember specific events. an experimenter uses several puppets to demonstrate a series of actions while the infant watches. after a delay, the experimenter records how many of the actions the child imitates when playing with the puppets. what is the dependent variable?
Answers: 3
Social Studies, 22.06.2019 14:30
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.
Answers: 3
Social Studies, 23.06.2019 01:00
Which factor contributed to the rise of african empires such as ghana and mali ? a. their creation and involvement in trade networks b. they focused only on agricultural production. c. they didn’t engage in warfare with other nations d. their geographic location protected them from attacks.
Answers: 1
Compare and contrast any 4 geographical features of north america...
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