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

Author Question: The radioactive age of a rock is actually the length of time since the material in that rock was ... (Read 117 times)

tth

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
The radioactive age of a rock is actually the length of time since the material in that rock was last ____.
 
  a. formed
 b. erupted
 c. concentrated
  d. melted
 e. condensed

Question 2

Groombridge 34 is an M2 main sequence star. Based on this information, which statement is true?
 
  a. Groombridge 34 has a surface temperature that is more than the Sun.
 b. Groombridge 34 has mass that is greater than the Sun.
 c. Groombridge 34 is less luminous than the Sun.
 d. Groombridge 34 is more luminous than the Sun.
 e. Groombridge 34 is located near the upper left hand corner on the HR diagram.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momolu

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

c


tth

  • Member
  • Posts: 579
Reply 2 on: Jul 27, 2018
Excellent

6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

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

Old Time Farm Shepherd Old Time Farm Shepherd
Types of suture material. Types of suture material.
Material Balance over #3 Heat Exchanger Material Balance over #3 Heat Exchanger
Magnitude of Geologic Time Magnitude of Geologic Time
Use a graphical method to find the length of the loan to the nearest year Use a graphical method to find the length of the loan to the nearest year
Time-of-entry mapping Time-of-entry mapping
Video: What is Reverse Osmosis?

For a complete list of videos, visit our video library