« previous next »

Author Question: Mercury's tenuous atmosphere of sodium, magnesium, and potassium comes from: A) atoms that have ... (Read 67 times)

mia

  • Hero Member
  • *****
  • Posts: 564
on: Jul 27, 2018
Mercury's tenuous atmosphere of sodium, magnesium, and potassium comes from:
 
  A) atoms that have been kicked off the surface by the solar wind.
  B) volcanic outgassing.
  C) residual gases from Mercury's formation.
  D) impacts of asteroids or comets.

Question 2

A moon that goes inside the Roche Limit will:
 
  A) get heated by the strong magnetic fields.
  B) collide with a major satellite.
  C) escape its planet's gravity.
  D) be torn apart by the planet's tidal forces.
  E) become a planet.


cam1229

  • Sr. Member
  • ****
  • Posts: 329
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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.

Single atoms form the nodes of an elementary quantum network Single atoms form the nodes of an elementary quantum network
Electron Shells Determine the Reactivity of Atoms. Electron Shells Determine the Reactivity of Atoms.
magnesium magnesium
sodium sodium
The Atmosphere of Mars The Atmosphere of Mars
Movement of Sodium and Potassium Ions During the Action Potential Movement of Sodium and Potassium Ions During the Action Potential
Video: Darwin's Observation (Fossils, Galapagos Islands & Africa ) and Natural Selection (Adaptive Traits)

For a complete list of videos, visit our video library