Question

Safiya wants to teach her brother how to test the acidity of the soil in their garden. What should she explain after telling him the steps of testing the soil?

A.what materials he will need
B.what the main goal of the test is
C.how to tell whether the test was accurate
D.how to gather a good soil sample during the test

Answer 1

C.how to tell whether the test was accurate

Step-by-step 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.