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 119 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

alexanderhamilton

  • Member
  • Posts: 334
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

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?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Saltwater on Mars Saltwater on Mars
The experience of romantic attachments is similar among sexual majority and minority youth. The experience of romantic attachments is similar among sexual majority and minority youth.
Placard near driver’s door, including what devices in the vehicle contain mercury. Placard near driver’s door, including what devices in the vehicle contain mercury.
Vehicles equipped with onboard refueling vapor recovery usually have a reduced-size fill tube. Vehicles equipped with onboard refueling vapor recovery usually have a reduced-size fill tube.
Genome size Genome size
Human mitotic metaphase chromosomes are identified by size, centromere location, and banding pattern Human mitotic metaphase chromosomes are identified by size, centromere location, and banding pattern
Video: Barriers - eye structures, digestive mucosa, respiratory mucosa & genitourinary mucosa

For a complete list of videos, visit our video library