Conceptual Physics (12th Edition)

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

Chapter 31 - Think and Explain: 62

Answer

It was both.

Work Step by Step

The act of measurement established the tree's age at the time, but also ended the tree's life. Clearly it was also an example of ridiculously selfish misbehavior.
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