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 74 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?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

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).

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Because of the hazards of a vacuum, astronauts must wear a pressurized space suit while outside thei Because of the hazards of a vacuum, astronauts must wear a pressurized space suit while outside thei
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
Space Space
Vertical Structure of the Atmosphere Vertical Structure of the Atmosphere
Contested Space: Exclaves Contested Space: Exclaves
International space station. International space station.
Video: Epinephrine/NE (heart rate, altered blood flow, glycogenolysis & bronchodilation)

For a complete list of videos, visit our video library