ferdose
ferdose ferdose
  • 11-10-2017
  • Chemistry
contestada

If a sample is thought to be several million years old, which method would best help to determine its absolute age?
A. C-14/C-12
B. Ar-40/K-40
C. Pb-206/U-238

Respuesta :

kylieloveszombi
kylieloveszombi kylieloveszombi
  • 11-10-2017
the answer is B)Ar-40/k-40
Answer Link

Otras preguntas

“What does it mean when we “rework” copyrighted material?”
did dinosaurs really have brains in their tails?
what is nationalism
jem boy wants to make his 8-meter square pool into a rectangular one by increasing its length by 2m and decreasing its width by 2m .jem boy asked your expertise
Can anyone help me solve this algebra porblem? -4 2/3=2n/3+1/3+n/3 Negative four and two thirds equals two "n" over three plus one over three plus "n" over thre
what are stalactites?
What was the Battle of Wounded Knee?
write short notes on military dictatorship in Chile
in the given figure , if PQ ll RS , angle TRS = 105 and angle RTP = 30 , then the value of x is
Approximately 15% of the shirts at windsor and best garment factory are labeled irregular and di not receive the windsor and best label. At this rate how many s