Answer:
C.how to tell whether the test was accurate
Explanation:
This is because, after the test, Safiya's brother should be able to check if the test carried out was accurate and not wrong as directed.
This could be done through series of validation technique rather than assuming that the test carried out was correct.
Basically, Ralph's grip on the other boys is slipping; Jack becomes a much more powerful figure.
Circulatory system is an organ system responsible for transporting materials throughout the entire body example of the materials are water,nutrients and oxygen to all the numerous body cell and remove waste product such carbon dioxide that the cells of the body produce
The synonym of <span>Sullenly is A.sulkily</span>