Fact 1: Radioactive dating is used to determine the age of fossils.

Fact 2: Dinosaur bones, like many other artifacts, are fossilized.

Given the two facts above, answer the question "what can radioactive dating determine the age of?" with the following options: 
- blastoids
 - h2o
 - most cephalopods
 - sea urchins
 - one celled organisms
 - dinosaur bones
 - humans
 - nuclear power


 

      dinosaur bones   