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kupik [55]
4 years ago
10

For years, surgeons have had great success using ____________

Biology
2 answers:
tamaranim1 [39]4 years ago
8 0
Index fossils (also known as guide
fossils, indicator fossils or zone
fossils) are fossils used to define
and identify geologic periods (or
faunal stages).
iren2701 [21]4 years ago
7 0

Answer:

I think it's the artificial heart.

Explanation:

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PLSSS DO THIS I WILL MARK BRAINLESS IF ITS RIGHT
Blababa [14]

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The answer is A

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