Measuring age on Earth
Potassium-Argon (K-Ar) Dating How K-Ar dating can be used to date very old volcanic rock and the things that might be buried in between
⇐ Use this menu to view and help create subtitles for this video in many different languages.
You'll probably want to hide YouTube's captions if using these subtitles.
Share a tip
Suggest a fix
Have something that's not a tip or feedback about this content?
This discussion area is not meant for answering homework questions.