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 113 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
Great answer, keep it coming :)

tranoy

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

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

Time Time
Radioactive protection services record book and two badge-style dosimeters. Radioactive protection services record book and two badge-style dosimeters.
Press into points along the neck with your thumb, one side at a time. Apply circular friction to ... Press into points along the neck with your thumb, one side at a time. Apply circular friction to ...
The environmental policy changes over time The environmental policy changes over time
Radiative forcing expresses change in energy input over time Radiative forcing expresses change in energy input over time
The time at which the mailman delivers the mail to Ace Bike Shop follows a normal distribution ... The time at which the mailman delivers the mail to Ace Bike Shop follows a normal distribution ...
Video: Red alga life cycle Animation

For a complete list of videos, visit our video library