Author Question: Comparative planetology: Describe at least one way in which comparisons of Earth with the Moon, ... (Read 14 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?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

For a complete list of videos, visit our video library