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

Author Question: A piece of fossilized wood has a carbon-14 radioactivity that is 1/4 that of new wood. The half-life ... (Read 123 times)

james0929

  • Hero Member
  • *****
  • Posts: 586
on: Aug 27, 2018
A piece of fossilized wood has a carbon-14 radioactivity that is 1/4 that of new wood. The half-life of carbon-14 is 5730 years. How old is the cloth?
 
  A) 1  5730 = 5730 years
  B) 2  5730 = 11,460 years
  C) 3  5730 = 17,190 years
  D) 0.25  5730 = 1432 years

Question 2

Colognes are
 
  A) similar to aftershaves.
  B) diluted perfumes.
  C) perfumes derived from natural products only.
  D) totally synthetic perfumes.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mammy1697

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

B


james0929

  • Member
  • Posts: 586
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

President-elect Barack Obama 150 million tiny carbon nanotubes President-elect Barack Obama 150 million tiny carbon nanotubes
Enterohepatic recirculation of a drug can increase its half-life in the body and prolong its ... Enterohepatic recirculation of a drug can increase its half-life in the body and prolong its ...
Variable Gases: Carbon Dioxide Variable Gases: Carbon Dioxide
Urban Life Urban Life
How to solve a half life problem involving exponential models (Question 1) How to solve a half life problem involving exponential models (Question 1)
Life cycle of a club fungus having two mating strains of hyphae Life cycle of a club fungus having two mating strains of hyphae
Video: Hemodynamics Animation

For a complete list of videos, visit our video library