Yeah yeah singing challenge
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.
Answer:
Hello, I am from Nigeria.
Answer:
There should be no hyphen in B.
