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 163 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
Gracias!

elyse44

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

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.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

The three domains of life The three domains of life
Zygotic life cycle, illustrated by the unicellular flagellate genus Chlamydomonas Zygotic life cycle, illustrated by the unicellular flagellate genus Chlamydomonas
inner life of cell inner life of cell
U.S. Life Expectancy by Year of Birth U.S. Life Expectancy by Year of Birth
Still Life, House of The Stags (Cervi) Still Life, House of The Stags (Cervi)
Life Expectancy in Developing Countries Life Expectancy in Developing Countries
Video: Allergic Rhinitis

For a complete list of videos, visit our video library