I think its D, Professional
Hope I could help (:
Answer:
Carbon/Radiocarbon Dating
Explanation:
Carbon dating yields some of the most accurate results for aging samples around 50,000 years old, and can be as accurate as within a few decades of the exact year. Carbon dating uses the relative proportions of the carbon isotopes carbon-12 and carbon-14 that the fossil/sample contains to pinpoint an almost exact time.
I would think they are around B. 11 years old
Answer:
C
Explanation:
the answer you have is correct (: