Respuesta :
The answer is C. It can be used on objects as old as about 62,000-70,000 years old
Answer:
D
Explanation:
Carbon 14 (C14) exists in the atmosphere in constant proportion
C14 decays to carbon 12 at a constant rate when the organism dies
Every 5,730 years the amount of C14 is reduced by 50% half-life
Accurate to 70,000 years