This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which dating method was used to date the famous Mt Vesuvius eruption of AD 79? a. Carbon 14 b. ... (Read 93 times)

Ebrown

  • Hero Member
  • *****
  • Posts: 567
on: Jul 10, 2018
Which dating method was used to date the famous Mt Vesuvius eruption of AD 79?
 
  a. Carbon 14
  b. Paleomagnetism
  c. Potassium-argon/ 40Ar/ 39AR
  d. Dendrochronology
  e. Biostratigraphy

Question 2

If an isotope has a half-life of 4 billion years, then in 4 billion years
 
  a. all of the original amount will have decayed.
  b.  of the original amount will still remain.
  c.  of the original amount will still be present.
  d. all of the original amount will still be present.
  e. none of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

emsimon14

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 10, 2018
Answer to Question 1

C

Answer to Question 2

C


Ebrown

  • Hero Member
  • *****
  • Posts: 567
Reply #2 on: Jul 10, 2018
Thank you :)


emsimon14

  • Sr. Member
  • ****
  • Posts: 344
Reply #3 on: Jul 10, 2018
Happy to help you


« previous next »
 

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major
Eruption of Permanent Teeth Eruption of Permanent Teeth
Performing a Urine Pregnancy Test Using the Enzyme Immunoassay Method Performing a Urine Pregnancy Test Using the Enzyme Immunoassay Method
Solid-phase synthesis of oligonucleotides by the phosphoramidite method Solid-phase synthesis of oligonucleotides by the phosphoramidite method
Carbon Isotope ratio Carbon Isotope ratio
Partial pressures (in mm Hg) for oxygen (red boxes) and carbon dioxide (blue boxes) in the atmospher Partial pressures (in mm Hg) for oxygen (red boxes) and carbon dioxide (blue boxes) in the atmospher
Video: Glomerubular filtrate rate -pressures that affect GFR and net filtration pressure

For a complete list of videos, visit our video library