The amount of C in a bone is about one-fourth of what one would expect based on the relative abundance of C and C. Since the half-life of C is a bit less than 6000 y, the

bone’s age is closest to

A. 36,000,000 y.
B. 24,000 y.
C. 12,000 y.
D. 4000 y.
E. 1500 y.


C. 12,000 y.

Physics & Space Science

You might also like to view...

Find the frequencies of the first three harmonics of a 1.0-m long string which has a mass per unit length of 2.0 × 10?3 kg/m and a tension of 80 N when both ends are fixed in place.

What will be an ideal response?

Physics & Space Science

Which of the following sequences correctly describes the stages of life (from beginning to end) for a low-mass star?

A) red giant, protostar, main-sequence, white dwarf B) protostar, main-sequence, red giant, white dwarf C) white dwarf, main-sequence, red giant, protostar D) protostar, main-sequence, white dwarf, red giant E) protostar, red giant, main-sequence, white dwarf

Physics & Space Science

Saturn's belts and zones are obscured by haze high in its atmosphere

a. True b. False Indicate whether the statement is true or false

Physics & Space Science

If an iron-0.77 % C steel is very rapidly cooled from 800°C to room temperature, the expected microstructure is described as _____________.

Fill in the blank(s) with the appropriate word(s).

Physics & Space Science