Sure-so this is a strengthen except so let's take a look--
A-strengthens because it provides direct evidence plant life pre dates half a billion years ago
B-strengthens argument by weakening claim life could have begun in oceans
C-strengthens by eliminating possibility that life producing organisms on the rock came from the ocean
D-actually weakens by raising the possibility that the carbon 14 in the rocks were not byproducts of living organisms, but came in through the atmosphere. undercuts claim these rocks are evidence of land based life.
E-mildly useful strengthener that the dating of the rocks was accurate.
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2 comments
Sure-so this is a strengthen except so let's take a look--
A-strengthens because it provides direct evidence plant life pre dates half a billion years ago
B-strengthens argument by weakening claim life could have begun in oceans
C-strengthens by eliminating possibility that life producing organisms on the rock came from the ocean
D-actually weakens by raising the possibility that the carbon 14 in the rocks were not byproducts of living organisms, but came in through the atmosphere. undercuts claim these rocks are evidence of land based life.
E-mildly useful strengthener that the dating of the rocks was accurate.
Can someone explain this question?