What is the best definition of outer core?

What is the greatest challenge to the palestinian authority government in israel? a) territorial size b) lack of citizen participation c) disputes among parties d)threats from arab forces

Experiment to investigate effect of medication on levels of stress in males and females. dependant variable?

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