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

Author Question: Which of the following worlds has the greatest difference in temperature between its no atmosphere ... (Read 43 times)

jc611

  • Hero Member
  • *****
  • Posts: 552
on: Jul 27, 2018
Which of the following worlds has the greatest difference in temperature between its no atmosphere temperature and its actual temperature?
 
  A) Mercury
  B) Venus
  C) Earth
  D) the Moon
  E) Mars

Question 2

Which of the following correctly describes how the process of gravitational contraction can make a star hot?
 
  A) Gravitational contraction involves nuclear fusion, which generates a lot of heat.
  B) When a star contracts in size, gravitational potential energy is converted to thermal energy.
  C) Heat is generated when gravity contracts, because gravity is an inverse square law force.
  D) Gravitational contraction involves the generation of heat by chemical reactions, much like the burning of coal.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

eliasc0401

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

B


jc611

  • Member
  • Posts: 552
Reply 2 on: Jul 27, 2018
Excellent

nanny

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Measurement of Temperature: Instrument Shelters Measurement of Temperature: Instrument Shelters
Nonlinear increase in saturation vapor pressure with increase in temperature. Nonlinear increase in saturation vapor pressure with increase in temperature.
Heating of the atmosphere Heating of the atmosphere
Degree Ranges for Hydrotherapy and Temperature Therapy Methods from Cold to Hot Applications Degree Ranges for Hydrotherapy and Temperature Therapy Methods from Cold to Hot Applications
Wavelengths that penetrate the earth's atmosphere Wavelengths that penetrate the earth's atmosphere
An 80-g aluminum calorimeter contains 380 g of water at an equilibrium temperature of A piece ... An 80-g aluminum calorimeter contains 380 g of water at an equilibrium temperature of A piece ...
Video: Covalent bonds - role in the body

For a complete list of videos, visit our video library