Please Helpppppp
Which radiometric dating technique would you use to date each of the following objects?

A one million year old bed of volcanic ash that contains the footprints of hominids (human ancestors).
??
A 4 billion year old piece of granite ??

A fossilized trilobite recovered from a bed of sandstone that is about 500 million years old??.

The fur of a woolly mammoth that was recently recovered frozen in a glacier

Question

Please Helpppppp
Which radiometric dating technique would you use to date each of the following objects?

A one million year old bed of volcanic ash that contains the footprints of hominids (human ancestors).
 ??  
A 4 billion year old piece of granite ?? 
   
A fossilized trilobite recovered from a bed of sandstone that is about 500 million years old??.
   
The fur of a woolly mammoth that was recently recovered frozen in a glacier

anonymous · Answer

Here are the answers please help match them up
   
Uranium-Lead
Potassium-Argon or Uranium-Lead
Potassium-Argon
Carbon-14
Carbon-14 or Potassium Argon