Answer:
The correct answer is 'perusal'. To peruse something is to examine or inspect it, such as when you peruse a book. Shaking means trembling, piteous means pathetic or pitiful, and shatter means broken into numerous smaller pieces.
The third one
Hope that helped :)
Some Important event occuring
it is too long of a time to be on the timeline and nothing important happened during this time
the discovery of the astroid moon happened in 1993
The timeline of Galileo