Author Question: The composition of Mercury's crust is: A) deficient in volatile compounds that contain elements ... (Read 106 times)

ericka1

  • Hero Member
  • *****
  • Posts: 544
The composition of Mercury's crust is:
 
  A) deficient in volatile compounds that contain elements such as sulfur and potassium.
  B) consistent with material from the solar wind, indicating that Mercury has collected material over the last few billion years.
  C) similar to the crust of the other terrestrial planets.
  D) nearly identical to Mercury's mantle material.

Question 2

Explain how the eccentricity describes the shape of an ellipse.
 
  What will be an ideal response?



lucas dlamini

  • Sr. Member
  • ****
  • Posts: 327
Answer to Question 1

C

Answer to Question 2

The higher the eccentricity, the more elongated the oval; a circle has an eccentricity of zero, while very stretched out comet orbits approach an eccentricity of one.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

For a complete list of videos, visit our video library