What Is Radiometric Dating

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=0DoNfU4rwlM

How old is our planet? This question has been asked for thousands of years. Today, scientists are able to estimate ages through a process called 'radioactive...

high school science, gcse science, a level science, secondary school science, science, geography, physical geography, geology, geologic time, geologic history, earth's history, radioactive dating, dating of rocks, how to find the age of a rock, how old is the Earth?, isotopes, uranium, carbon-14, uranium-238, uranium-235, half-life, radioactive decay, radiometric dating
#############################