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alina1380 [7]
3 years ago
9

Help with this I meed to get it done today please

Biology
1 answer:
Nesterboy [21]3 years ago
4 0
#11.) Phacops. It lived in the late Devonian Period (~400 million years ago).

#12.) Carbon-14 is a good radioactive isotope for determing the age of artifacts from a burial site thought to be associated with the most recent early humans because it is present in all organic matter (which humans have, of course).

#13.) 3, Devonian.

#14.) From the Devonian Period through the Triassic Period.

#15.) Cenozoic.
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