what about carbon dating

Contamination is of particular concern when dating very old material obtained from archaeological excavations and great care is needed in the specimen selection and preparation. Carbon dating was invented in the late s by Willard Libby, a chemistry professor at the University of Chicago and former Manhattan Project scientist. This provides a value for the background radiation, which must be subtracted from the measured activity of the sample being dated to get the activity attributable solely to that sample's 14 C. Let me write that down, atmosphere. All living matter absorbs carbon from the atmosphere, including an amount of radioactive carbon Chemical Reaction. What Is Carbon Dating?

WHAT ABOUT CARBON DATING / morphy.info

• Secure and Private
• Easy to Use
• Find Matches Quickly
• Verified Profiles