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 77 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
YES! Correct, THANKS for helping me on my review

xoxo123

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Feedforward events can be conditioned to external stimuli. Feedforward events can be conditioned to external stimuli.
The events of gastrulation in amphibians. The events of gastrulation in amphibians.
Birth Order and Intelligence Birth Order and Intelligence
Scientists should use a variety of media to present the message Scientists should use a variety of media to present the message
First-order sensory neuron with free nerve endings First-order sensory neuron with free nerve endings
Use of forward and reverse genetics to determine gene function Use of forward and reverse genetics to determine gene function
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library