Author Question: Radiometric dating techniques a. are not based on the phenomenon of radioactive isotope decay ... (Read 93 times)

Brittanyd9008

  • Hero Member
  • *****
  • Posts: 500
Radiometric dating techniques
 
  a. are not based on the phenomenon of radioactive isotope decay rates
  b. can be used to determine the absolute age of organic materials
  c. include the K/Ar but not carbon-14 methods
  d. are a form of stratigraphy
  e. are relative dating techniques

Question 2

If an isotope has a half-life of 4 billion years, then in 4 billion years what will happen?
 
  a. All of the original amount will have decayed.
  b. A quarter of the original amount will still remain.
  c. Half of the original amount will still be present.
  d. All of the original amount will still be present.
  e. The original amount will have doubled.



Natalie4ever

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

b

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

For a complete list of videos, visit our video library