Me quick what do electrons in the same shell have in common? a. they have the same amount of energy b. they are all positively charged c. they are all made of atoms d. they all have neutral charges

Pj conducts an experimental study on the effects of soft music during high stakes science testing. he randomly assigns students at the school. in one condition he does not provide music for testing while in the other group he does provide the music. he administers a pretest at the beginning of the year and a posttest at the end of the year. pj’s design is best described as a: a.static group comparisonb. pretest-posttest control group designc.control-group-time-series designd. nonrandomized control-group pretest-posttest design

Which of the following are offices under the jurisdiction of the executive office

Which of the following method is used only once to ratify an amendment