Definition for radioactive dating uci speed dating study

05 Feb

As the uranium in rocks decays, it emits subatomic particles and turns into lead at a constant rate.

C and counting the amount of each) allows one to date the death of the once-living things.

Perhaps you have heard of Ice Man, a man living in the Alps who died and was entombed in glacial ice until recently when the ice moved and melted.

As long as an organism is alive, the amount of C-14 in its cellular structure remains constant.

But when the organism dies, the amount of C-14 begins to decrease.

Carbon-14 (C-14), a radioactive isotope of carbon, is produced in the upper atmosphere by cosmic radiation.The primary carbon-containing compound in the atmosphere is carbon dioxide, and a very small amount of carbon dioxide contains C-14.