« previous next »

Author Question: Which internal energy source produces heat by converting gravitational potential energy into thermal ... (Read 193 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Range of Motion of the Hip Joint, Internal and External Rotation Range of Motion of the Hip Joint, Internal and External Rotation
Intradermal drug administration: (a) cross section of skin showing depth of needle insertion Source: Intradermal drug administration: (a) cross section of skin showing depth of needle insertion Source:
Results from sequential study of two cohorts tested at three ages and at three different points in t Results from sequential study of two cohorts tested at three ages and at three different points in t
Concentric double-pipe heat exchanger for co-current flow Concentric double-pipe heat exchanger for co-current flow
Renewable Energy Efforts Renewable Energy Efforts
Canada Total Energy Consumption by Fuel Type Canada Total Energy Consumption by Fuel Type
Video: What are the Parts of a Plant Cell?

For a complete list of videos, visit our video library