Answer:
<em>All galaxies contain groups of stars and other material held together by gravity.</em>
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It is a symbol to let they know where they were so they didn’t get lost.
When information is modified by individuals not authorized to change it, you have suffered a "loss of integrity".
Data integrity alludes to the precision and consistency, legitimacy of information over its life-cycle. Disintegrated information, all things considered, is of little use to undertakings, also the threats introduced by delicate information loss. Hence, keeping up data integrity is a center focal point of numerous enterprise security arrangements.
The first thing that the law enforcement personnel look for is the PFD or Personel Floatation Device, the emergency kill switch that must wear around the wrist in case you fall off or wipe-out, and the PWC registration numbers must also be visible.