What does scientist believe led to the mass extinction at the end of the Paleozoic era? Explain

Explanation:

Causes of this extinction event remain unclear, but they may be related to the changing climate and exceptionally low sea levels of the time. Although of lesser magnitude, other important Paleozoic mass extinctions occurred at the end of the Ordovician Period and during the late Devonian Period.

think about the oscillation of the toy shown in the video. when the toy is at the highest point of its motion, its velocity is zero and its acceleration is negative.

thermal energy is the answer