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Natalka [10]
3 years ago
5

An old bone contains 80% of its original carbon-

Mathematics
2 answers:
dedylja [7]3 years ago
6 0

Answer:

D

Step-by-step explanation:

answer on edge

Murljashka [212]3 years ago
3 0

Answer: EDGEN

C is the correct answer not D

0.8 for the second one

than B for the third

Step-by-step explanation:

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