1.

The radioactivity due to C-14 isotope (half-life = 6000 years) of a sample of wood form an ancient tomb was found to be nearly half that of fresh wood. The bomb is there for about how many years old?a)3000b)6000c)9000d)12000

Answer»

3000 YEARS old
6000 years old
9000 years old
12000 years old

Answer :B


Discussion

No Comment Found