Karbon-14 har en halveringstid på 5730 år, men er det noen som har brukt kalium-40 for å datere lengre tidsperioder? Hvis nei, hvorfor ikke?
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- Title: Kommentarer til: Hvorfor snurrer jorda?
- Channel Number: 23932493
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- Registered On: November 25, 2013, 12:03 am
- Number of Articles: 14
- Latest Snapshot: May 8, 2015, 6:48 pm
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- Description: En blogg fra NRK Super
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