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 92 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?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Spitzer Space Telescope Spitzer Space Telescope
The Atmosphere’s Oxygen Came from PhotosyntheticOrganisms The Atmosphere’s Oxygen Came from PhotosyntheticOrganisms
Primates use their space in a variety of ways: home ranges, core areas, and territories. Primates use their space in a variety of ways: home ranges, core areas, and territories.
Permanent Gases of the Atmosphere Permanent Gases of the Atmosphere
A typical massage room has adequate space for equipment and pleasant decorations. A typical massage room has adequate space for equipment and pleasant decorations.
How a frog fills its lungs. How a frog fills its lungs.
Video: What are Taste Receptors? How Does it Work? Animation

For a complete list of videos, visit our video library