hisYun1eszulanandra
hisYun1eszulanandra hisYun1eszulanandra
  • 30-04-2016
  • Geography
contestada

The presence of stromatolites in some very old rocks can help scientists determine the absolute age of those rocks back to about what?
a. 25,000 years.
b. 45 million years.
c. 500 million years.
d. 3.5 billion years

Respuesta :

Аноним Аноним
  • 03-05-2016
it  will be a 25,000 year
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