shakiramusicall
shakiramusicall shakiramusicall
  • 19-03-2021
  • Biology
contestada

If half the K-40 of a rock has
decayed into Ar-40, how old is
the rock?

Respuesta :

svrq svrq
  • 30-03-2021

Answer:

20

Explanation:

40:2=20

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