Alan is using cabbage juice to determine the relative pH of various household solutions. Which of these steps communicates the results of his investigation?
Conduct multiple trials Write down a procedure Identify the materials to be tested Record observations and data in a journal
Question: Alan is using cabbage juice to determine the relative pH of various household solutions. Which of these steps communicates the results of his investigation?
A. Conduct multiple trials
B. Write down a procedure
C. Identify the materials to be tested
D. Record observations and data in a journal
Answer: