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

Author Question: Which isotopes are most appropriate for dating formations from the following ages: (a) the early ... (Read 31 times)

ashley

  • Hero Member
  • *****
  • Posts: 584
on: Jul 29, 2018
Which isotopes are most appropriate for dating formations from the following ages: (a) the early Precambrian; (b) the Mesozoic; (c) the late Pleistocene?
 
  What will be an ideal response?

Question 2

The process where an element spontaneously changes into a different element (transmutation) by a change in the nucleus of an atom is called
 
  A) radiometric dating.
  B) radioactive decay.
  C) radiometric decay.
  D) none of these


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cuttiesgirl16

  • Sr. Member
  • ****
  • Posts: 345
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: For the early Precambrian, use uranium-238. For the Mesozoic, use uranium-235 (uranium-238 will also work but is not as precise). For the late Pleistocene, carbon-14 is the only reasonable isotope to use.

Answer to Question 2

Answer: B


ashley

  • Member
  • Posts: 584
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

LegendaryAnswers

  • Member
  • Posts: 341
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Early divisions in the animal phylogeny. Early divisions in the animal phylogeny.
The Upper Cave at Zhoukoudian yields ages of about 25,000 years for Homo sapiens. The Upper Cave at Zhoukoudian yields ages of about 25,000 years for Homo sapiens.
In early capitalism, children worked alongside adults. At that time, just as today, most street ... In early capitalism, children worked alongside adults. At that time, just as today, most street ...
One of the best examples of charismatic authority is Joan of Arc. In this painting from the early ... One of the best examples of charismatic authority is Joan of Arc. In this painting from the early ...
The early onset of spring melting and the gradual diminution of summer snowpack The early onset of spring melting and the gradual diminution of summer snowpack
Brain maturation from ages 5 to 20 Brain maturation from ages 5 to 20
Video: Summary of glucose catabolism

For a complete list of videos, visit our video library