HELPP PLISS
The table below gives information about the radioactive decay of carbon-14. Part of the table has been deliberately left blank for student use.
After how many years will gram of the original carbon-14 remain?
A)
22,800 yr
B)
28,500 yr
C)
34,200 yr
D)
39,900 yr
Answers: 2
Biology, 22.06.2019 06:10, heroicblad
Long-period comets come from the oort cloud particles in earth’s atmosphere material from the asteroid belt the kuiper belt
Answers: 2
HELPP PLISS
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