Author Question: Comparative planetology: Describe at least one way in which comparisons of Earth with the Moon, ... (Read 15 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
Comparative planetology: Describe at least one way in which comparisons of Earth with the Moon, Mercury, Venus, and / or Mars have helped us to better understand our own planet.
 
  What will be an ideal response?

Question 2

A rock held above the ground has potential energy. As the rock falls, this potential energy is converted to kinetic energy. Finally, the rock hits the ground and stays there. What has happened to the energy?
 
  A) It is transformed back into gravitational potential energy.
  B) The energy goes into the ground, and as a result, the orbit of the Earth about the Sun is slightly changed.
  C) The energy goes to producing sound and to heating the ground, rock, and surrounding air.
  D) The rock keeps the energy inside it in the form of mass-energy.



bassamabas

  • Sr. Member
  • ****
  • Posts: 294
Answer to Question 1

may include: comparison of magnetic fields has led to an understanding of the importance of our own liquid core dynamo, comparison of atmospheres has led to an understanding of the importance of distance from the sun, comparison of atmospheres has led to an understanding of the importance of tectonics.

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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.

For a complete list of videos, visit our video library