Why are fossils older than 60 000 years hard to date using C14? What will be an ideal response?


C14 has a half-life of just over 5000 years. With each half-life, half of the C14 present goes through
radioactive decay. By 60 000 years, the vast majority of the C14 is gone due to so many successive
half-lives. While theoretically some C14 remains, the amount would be insufficient to accurately date
the fossil.

Biology & Microbiology

You might also like to view...

________ convey information within the nervous system

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

Biology & Microbiology

What kind of bond holds two water molecules to each other?

A) hydrogen bonds B) ionic bonds C) nonpolar covalent bonds D) polar covalent bonds

Biology & Microbiology

All of the following are common to both the Gram stain and the acid-fast stain EXCEPT

A) primary stain. B) counterstain. C) a decolorizing agent. D) a chemical mordant. E) a decolorizing agent and a counterstain.

Biology & Microbiology

List the three steps of elongation in order

What will be an ideal response?

Biology & Microbiology