Conceptual Physics (12th Edition)

Published by Addison-Wesley
ISBN 10: 0321909100
ISBN 13: 978-0-32190-910-7

Chapter 14 - Think and Explain: 76

Answer

The bubbles expand.

Work Step by Step

The bubble’s mass does not change because the amount of air is the same. Its volume increases because the water pressure around it decreases as the bubble rises (page 246) so the bubble expands. This is also discussed on page 271, checkpoint 2.
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