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

Author Question: By putting events in order, scientists can use the order to determine how long ago certain geologic ... (Read 66 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
on: Jul 16, 2018
By putting events in order, scientists can use the order to determine how long ago certain geologic events took place.
 
  Indicate whether this statement is true or false.

Question 2

A deposit of volcanic tuff contains the isotope potassium-40, which is slowly decaying into argon-40. How might the apparent age of the sample be affected if the volcanic tuff is heated and remains heated for a long period of time?
 
  A) The rate of decay will speed up.
  B) The sample will appear older than it really is.
  C) The sample will appear younger than it really is.
  D) Heat will have no effect on the age of the sample.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ashely1112

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: TRUE

Answer to Question 2

Answer: C


saraeharris

  • Member
  • Posts: 546
Reply 2 on: Jul 16, 2018
:D TYSM

upturnedfurball

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

A photograph of Commodore Matthew Perry in 1855 juxtaposed with a Japanese portrait of him. When Per A photograph of Commodore Matthew Perry in 1855 juxtaposed with a Japanese portrait of him. When Per
Feng Mengbo, Long March: Restart. Feng Mengbo, Long March: Restart.
Blood Collection Tubes: Order of Draw Blood Collection Tubes: Order of Draw
Women who reported one, two, or three or more major life events in the past 5 years were ... Women who reported one, two, or three or more major life events in the past 5 years were ...
A pipe that is 0.46 m long and open at both ends vibrates in the second overtone with a ... A pipe that is 0.46 m long and open at both ends vibrates in the second overtone with a ...
Timeline of Major Events in Plants Timeline of Major Events in Plants
Video: Haustral churning, Gastrocolic reflex and mass peristalsis & Defecation

For a complete list of videos, visit our video library