Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0132525763
ISBN 13: 978-0-13252-576-3

Chapter 1 - Introduction to Chemistry - Standardized Test Prep: 8

Answer

Sentences 1 and 4 are observations

Work Step by Step

Sentences 1 and 4 are observations because they are stating the things that took place during the experiment which are the observations.
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