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Chapter 926 Fifty two hertz
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Chapter 928 White lie
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... ones are not absent.
So, how long do whales disappear and can be considered dead?
Hard to say.
This whale has been called "52 Hz" because of its unique sound frequency band. It has been almost 3o years since people found it in 1989, and it is at least 3o years old.
Whales generally have a long life span, much longer than 3o years, but 3o years can produce too many things.
As early as 2oo4 years later, 15 years later, people have never heard it again.
Re ...
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