This topic contains a solution. Click here to go to the answer

Author Question: Which dating method was used to date the famous Mt Vesuvius eruption of AD 79? a. Carbon 14 b. ... (Read 140 times)

Ebrown

  • Hero Member
  • *****
  • Posts: 567
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
Answer to Question 1

C

Answer to Question 2

C





 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

For a complete list of videos, visit our video library