sparkle2 sparkle2
  • 11-03-2015
  • Physics
contestada

How are sedimentary rock layers used by scientist to learn about the past

Respuesta :

annrose annrose
  • 17-03-2015
They are used by scientist because of the texture and shapes. 
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Santoz1 Santoz1
  • 20-03-2015
They use them to study the past because how packed they are together
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