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

Author Question: By putting events in order, scientists can use the order to determine how long ago certain geologic ... (Read 78 times)

saraeharris

  • Hero Member
  • *****
  • Posts: 546
on: Jul 16, 2018
By putting events in order, scientists can use the order to determine how long ago certain geologic events took place.
 
  Indicate whether this statement is true or false.

Question 2

A deposit of volcanic tuff contains the isotope potassium-40, which is slowly decaying into argon-40. How might the apparent age of the sample be affected if the volcanic tuff is heated and remains heated for a long period of time?
 
  A) The rate of decay will speed up.
  B) The sample will appear older than it really is.
  C) The sample will appear younger than it really is.
  D) Heat will have no effect on the age of the sample.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ashely1112

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: TRUE

Answer to Question 2

Answer: C


saraeharris

  • Member
  • Posts: 546
Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it

carlsona147

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Global positioning systems determine latitude, longitude, and altitude by measuring the distance fro Global positioning systems determine latitude, longitude, and altitude by measuring the distance fro
Evaluation measures to determine the success of goals Evaluation measures to determine the success of goals
A long, narrow cobbled street in Old San Juan. A long, narrow cobbled street in Old San Juan.
Compression using reinforced palm. The heel of the top hand is placed to avoid putting pressure on ... Compression using reinforced palm. The heel of the top hand is placed to avoid putting pressure on ...
The Geologic Time Scale The Geologic Time Scale
Determine the # of real roots from the equation Determine the # of real roots from the equation
Video: Introduction to Macular Degeneration

For a complete list of videos, visit our video library