Answer:
radioactive dating of each layer would be the right one
I believe the answers to this would be: Hard parts and deposited quickly. I hope this helped!
Answer:
Cats also purr when they are nervous or in pain, leading some experts to believe that this uniquely feline vocalization is actually a method of self-healing. A domestic cat's purr has a frequency of between 25 and 150 Hertz, which happens to be the frequency at which muscles and bones best grow and repair themselves.
Explanation: