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

Author Question: What is the ultimate source for naturally occurring carbon-14? A) Cosmic ray collisions and ... (Read 81 times)

evelyn o bentley

  • Hero Member
  • *****
  • Posts: 564
on: Jul 16, 2018
What is the ultimate source for naturally occurring carbon-14?
 
  A) Cosmic ray collisions and neutron capture involving nitrogen
  B) Dissolution of carbonate rocks
  C) Decay of unstable parent isotopes to create a stable carbon-14
  D) Volcanic eruption and emission of greenhouse gases

Question 2

In radioactive decay, an unstable ________ isotope will decay into a stable ________ isotope.
 
  A) ion; carbon
  B) parent; daughter
  C) daughter; parent
  D) neutron; ionized


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Leostella20

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


evelyn o bentley

  • Member
  • Posts: 564
Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it

smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Romanian Adoptees’ Cognitive Abilities, by Age of Adoption The later the age of adoption, the lower Romanian Adoptees’ Cognitive Abilities, by Age of Adoption The later the age of adoption, the lower
Lilly Martin Spenser’s painting, Domestic Happiness (1844), reflects the change in attitudes toward Lilly Martin Spenser’s painting, Domestic Happiness (1844), reflects the change in attitudes toward
This 1900 photograph of steel factories at night in Duquesne, near Pittsburgh, was tinted by hand. S This 1900 photograph of steel factories at night in Duquesne, near Pittsburgh, was tinted by hand. S
Place sheet or towel over area to be heated. Use sufficient heat barrier for the heat source used. ... Place sheet or towel over area to be heated. Use sufficient heat barrier for the heat source used. ...
Carbon copy of her surrogate mother Carbon copy of her surrogate mother
Common Sources of Carbon Monoxide Common Sources of Carbon Monoxide
Video: How eudicots (true dicots) differ from monocots Animation

For a complete list of videos, visit our video library