Author Question: Which internal energy source produces heat by converting gravitational potential energy into thermal ... (Read 217 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
Which internal energy source produces heat by converting gravitational potential energy into thermal energy?
 
  A) accretion
  B) differentiation
  C) radioactivity
  D) both A and B
  E) all of the above

Question 2

We determine the structure of the Earth's core using
 
  A) deep mine shafts.
  B) satellite imaging.
  C) radar and sonar.
  D) seismic wave data.
  E) magnetic resonance imaging.



pami445

  • Sr. Member
  • ****
  • Posts: 303
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

For a complete list of videos, visit our video library