Earth: An Introduction to Physical Geology (12th Edition)

Published by Pearson
ISBN 10: 0134074254
ISBN 13: 978-0-13407-425-2

Chapter 1 - Section 1.4 - Earth as a System - Eye on Earth 1.2 - Page 17: 1

Answer

250 mb

Work Step by Step

The question states that the jet is flying at altitude 10km. Altitude is on the y axis (vertical). Find 10 (it's unmarked and it's in between 8 and 12). Then move across to where the red line of the curve meets 10. This is at pressure 250 mb.
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