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

Author Question: Which of the following radioactive isotopes would be best for age-dating a rock from 50,000 years ... (Read 52 times)

cnetterville

  • Hero Member
  • *****
  • Posts: 547
on: Jul 14, 2018
Which of the following radioactive isotopes would be best for age-dating a rock from 50,000 years ago?
 
  A) uranium-238
  B) carbon-14
  C) potassium-40
  D) thorium-232

Question 2

Who first formulated the principle of uniformitarianism?
 
  A) Aristotle
  B) Lyell
  C) Steno
  D) Hutton


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cassie_ragen

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


cnetterville

  • Member
  • Posts: 547
Reply 2 on: Jul 14, 2018
Thanks for the timely response, appreciate it

jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Measurements of solar cycle variation during the last 30 years Measurements of solar cycle variation during the last 30 years
The proportion of obese and extremely obese adults in the United States has increased over the past The proportion of obese and extremely obese adults in the United States has increased over the past
The Dome of the Rock, Jerusalem. The Dome of the Rock, Jerusalem.
Granite and Granitic Rock Granite and Granitic Rock
Earth 430 Million Years Ago Earth 430 Million Years Ago
Three years old drawing Three years old drawing
Video: Structures that affect circulation - heart and MABP

For a complete list of videos, visit our video library