How might this geographic feature have affected China’s ability to expand its borders to the north?

Aresearcher is studying women recently admitted to a state prison. all potential subjects must have children under the age of five. research subjects will be given a basket of toys to use at their children’s first visit that the children can then take home. in assessing this proposal, the irb needs to determine that the toys are: age appropriate. not an excessive incentive. educational. of high quality.

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

Astudent answers 86 problems on a test correctly and receives a grade of 98% how many problems were worth the same number of points