A ball thrown vertically upward reaches a maximum height of 80 meters above the surface of Earth. At its maximum height, the speed of the ball is

A) 9.8m/s
B) 3.1 m/s
C) 0m/s
D) 24 m/s

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

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root word, prefixes, and suffixes

answer(20) psi;