Answer
(O) - It is an observation made by Chang.
Work Step by Step
Chang observed that the sales of the house salad had dropped.
Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)
by Timberlake, Karen C.
Published by
Prentice Hall
ISBN 10:
0321908449
ISBN 13:
978-0-32190-844-5
Chapter 1 - Section 1.2 - Scientific Method: Thinking Like a Scientist - Questions and Problems - Page 6: 1.9a
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
