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 118 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
:D TYSM

sultana.d

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Gaser and Schlaug's study of the size of visual, motor, and auditory nuclei in the brains of mu Gaser and Schlaug's study of the size of visual, motor, and auditory nuclei in the brains of mu
Proportions of the genetic and physical maps are similar but not identical Proportions of the genetic and physical maps are similar but not identical
Mars Rover Curiosity Mars Rover Curiosity
Size comparison of Earth and Uranus Size comparison of Earth and Uranus
Similar genes, conserved during evolution Similar genes, conserved during evolution
Distribution Patterns and Population Size Estimates (Bio 30) Distribution Patterns and Population Size Estimates (Bio 30)
Video: Introduction to Pre-eclampsia

For a complete list of videos, visit our video library