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

Author Question: Mars and Mercury are similar in size, and Mercury is even denser. Why then is it Mars that has more ... (Read 108 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
on: Jul 27, 2018
Mars and Mercury are similar in size, and Mercury is even denser. Why then is it Mars that has more atmosphere?
 
  What will be an ideal response?

Question 2

If o is less than one, then
 
  A) only dark energy exists in the universe.
  B) there is more matter than energy in the universe.
  C) the universe will expand forever.
  D) the universe is closed, and must recycle.
  E) no matter could have existed.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

rleezy04

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 27, 2018
Answer to Question 1

Its location is too close to the Sun; Mercury's gases boil away in the solar wind. Colder Mars has enough gravity to hang on to more, even though its water is no longer liquid today.

Answer to Question 2

C


ssal

  • Member
  • Posts: 572
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

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?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Amborella trichopoda flower, similar to a hypothesized early flower Amborella trichopoda flower, similar to a hypothesized early flower
Map of Mars by Giovanni Schiaparelli Map of Mars by Giovanni Schiaparelli
Biodiversity Depends on the Size of Habitat Biodiversity Depends on the Size of Habitat
Hominid Brain Size Hominid Brain Size
Leadership is not about size, it's about knowledge and wisdom Leadership is not about size, it's about knowledge and wisdom
Similar-looking, related species that are native to distant geographic realms Similar-looking, related species that are native to distant geographic realms
Video: Segmentation and migrating motility complexes & Gastroileal reflex

For a complete list of videos, visit our video library