Clue: Billion-year span
We have 1 possible answer for the clue Billion-year span which appears 4 times in our database.
Possible Answers:
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- Long wait time, seemingly
- Now we're in the Phanerozoic one
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- European broadcasting for a very long time
- A gazillion years
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- Any of four in Earth’s history
- Period of a billion years
- The Phanerozoic, e.g
- Super long unit of time