aespinoza3
aespinoza3 aespinoza3
  • 04-05-2020
  • Biology
contestada

What type of fossil evidence would be most helpful to a scientist trying to determine how much oxygen was in the atmosphere two million years ago?

A) Ice Cores
B) Tree Rings
C) Carbon Films
D) Trace Fossils

Respuesta :

rachellaraway
rachellaraway rachellaraway
  • 04-05-2020
Carbon films I believe
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