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

Author Question: Why does a potassium-argon dating time scale reset during heating? A) Expansion of the crystal ... (Read 155 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
on: Jul 16, 2018
Why does a potassium-argon dating time scale reset during heating?
 
  A) Expansion of the crystal structure may permit the loosely caged argon atoms to escape.
  B) Reduction of the crystal structure may permit the loosely caged argon atoms to escape.
  C) It gets so hot that it throws off the time scale.
  D) This does not happen.

Question 2

What does a radioactive-isotope aging test on a rock determine?
 
  A) the age of the rock since metamorphism
  B) the date of formation of the rock-forming minerals
  C) the length of time the rock has existed in its location
  D) the age of the rock since sedimentation


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mochi09

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B


sarasara

  • Member
  • Posts: 521
Reply 2 on: Jul 16, 2018
Thanks for the timely response, appreciate it

elyse44

  • Member
  • Posts: 319
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

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.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Aggregates are people who happen to be in the same place at the same time. Aggregates are people who happen to be in the same place at the same time.
Flow Patterns and Large-Scale Weather Flow Patterns and Large-Scale Weather
Accumulation of toxicants over time and up the food chain Accumulation of toxicants over time and up the food chain
Middle adults usually have more time to focus attention on their relationships Middle adults usually have more time to focus attention on their relationships
Potassium feldspar Potassium feldspar
Disitive Time For Potatoes Disitive Time For Potatoes
Video: Mechanisms of capillary exchange (transcytosis & bulk flow)

For a complete list of videos, visit our video library