This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Gas fills all the space available to it. Why then doesn't the atmosphere go off into space? A) It ... (Read 95 times)

Beheh

  • Hero Member
  • *****
  • Posts: 520
on: Aug 27, 2018
Gas fills all the space available to it. Why then doesn't the atmosphere go off into space?
 
  A) It does, but the rate is so slow that our atmosphere will remain for millions of years.
  B) The atmosphere is held down by gravity.
  C) The rate at which air molecule escape into space is about equal to the rate that they are produced by various mechanisms, such as volcanic activity and photosynthesis.
  D) There are molecular attractions between air molecules and the earth's surface.

Question 2

The size of boron is ________ than that of oxygen and ________ than that of aluminum.
 
  A) smaller; larger
  B) larger; larger
  C) smaller; smaller
  D) larger; smaller


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jossy

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

D


Beheh

  • Hero Member
  • *****
  • Posts: 520
Reply #2 on: Aug 27, 2018
Thanks


Jossy

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Aug 27, 2018
Welcome :)


« previous next »
 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

True-color view of Mars seen through NASA's Hubble Space Telescope in 1999 True-color view of Mars seen through NASA's Hubble Space Telescope in 1999
Space-filling model of an actin filament (shades of red) with one myosin head (gray and two shades o Space-filling model of an actin filament (shades of red) with one myosin head (gray and two shades o
Gases in the Atmosphere Gases in the Atmosphere
Composition of the Atmosphere Composition of the Atmosphere
Hubble Space telescope Hubble Space telescope
If the solubility of helium is 0.94 cc per 100 cc of blood at 1.00 atmosphere, w If the solubility of helium is 0.94 cc per 100 cc of blood at 1.00 atmosphere, w
Video: Genetic terms Animation

For a complete list of videos, visit our video library