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

Author Question: Wood from an ancient stump has a ratio of carbon-14 to carbon-12 that is one-eighth that of new ... (Read 109 times)

saliriagwu

  • Hero Member
  • *****
  • Posts: 537
on: Jul 28, 2018
Wood from an ancient stump has a ratio of carbon-14 to carbon-12 that is one-eighth that of new wood. About how old is the stump? (Carbon-14's half-life is 5730 years.)

Question 2

Sedimentary layer A lies above sedimentary layer B. Fault C cuts through B but does not affect A. Arrange A, B, and C in order of oldest first to youngest last.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

billybob123

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 28, 2018
Answer to Question 1

17,190 years

Answer to Question 2

B, C, A


saliriagwu

  • Member
  • Posts: 537
Reply 2 on: Jul 28, 2018
Gracias!

ebonylittles

  • Member
  • Posts: 318
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

giant wood spider giant wood spider
The averaging of an auditory evoked potential. Averaging increases the signal-to-noise ratio. The averaging of an auditory evoked potential. Averaging increases the signal-to-noise ratio.
Metabolic reactions involving synthesis, interconversion, and utilization of one-carbon adducts of t Metabolic reactions involving synthesis, interconversion, and utilization of one-carbon adducts of t
The Effect of Using a Ratio Scale The Effect of Using a Ratio Scale
Main mechanism of carbon dioxide transport and exchange. A lesser amount of CO2 travels to the lungs Main mechanism of carbon dioxide transport and exchange. A lesser amount of CO2 travels to the lungs
Video: Pericarditis

For a complete list of videos, visit our video library