This topic contains a solution. Click here to go to the answer

Author Question: What factors determine the rate of loss of gases from a planet's atmosphere? What will be an ... (Read 54 times)

tatyanajohnson

  • Hero Member
  • *****
  • Posts: 569
What factors determine the rate of loss of gases from a planet's atmosphere?
 
  What will be an ideal response?

Question 2

What evidence do we have that the surface of Mars has never divided into moving plates?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dmurph1496

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

A low escape velocity makes it easier for rapidly moving gas molecules to escape into space. Another factor is the temperature of a planet. On colder planets, the gas molecules in its atmosphere travel more slowly and cannot easily escape. Also, an ozone layer protects the atmosphere from ultraviolet radiation. The ultraviolet photons can break atmospheric molecules up into smaller fragments, which escape more easily. For example, water can be broken up into hydrogen and oxygen.

Answer to Question 2

The vast size of Olympus Mons is evidence that the crust of Mars must have remained stationary over the hot spot (magma source), and Mars has not had horizontal plate tectonics.





 

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

For a complete list of videos, visit our video library