question: A teacher gives a student an unknown liquid and wants the student to find the boiling point of the liquid. The student performs the investigation and finds the boiling point is 50°C and then repeats the experiment and finds the boiling point is 70°C. How should the student best identify the boiling point?
choices.text: use the second boiling point average the two numbers use the first boiling point repeat the investigation
choices.label: A B C D