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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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Lauren1 Lauren1
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9 years ago
A bolide impact at the end of the Cretaceous apparently left a layer of rock worldwide that is rich in ______________.
   a.   platinum
   b.   iridium
   c.   tritium
   d.   deuterium
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milestone23milestone23
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#1
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9 years ago
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Lauren1 Author
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#2
9 years ago
This is perfect, thank you Grinning Face
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#3
9 years ago
Yup, I'm pretty confident it's correct, bye for now.
Retired master
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