Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

Published by Prentice Hall
ISBN 10: 0321908449
ISBN 13: 978-0-32190-844-5

Chapter 3 - Section 3.7 - Changes of State - Additional Questions and Problems - Page 89: 3.67d

Answer

The air we breathe is a gas.

Work Step by Step

It has no defined shape or volume, instead completely filling in around us all the way to the top of the atmosphere.
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