Author Question: Comparative planetology: Describe at least one way in which comparisons of Earth with the Moon, ... (Read 33 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?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

For a complete list of videos, visit our video library