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

Author Question: Which of these upcoming observations will help test the idea that Mars' atmosphere thinned due to ... (Read 61 times)

penza

  • Hero Member
  • *****
  • Posts: 1,022
on: Jul 27, 2018
Which of these upcoming observations will help test the idea that Mars' atmosphere thinned due to interactions with the solar wind?
 
  A) Astronomers will use spectrographs on the Keck telescope to measure the density of Mars' atmosphere.
  B) The upcoming MAVEN orbiter will measure present-day gas loss from Mars' atmosphere.
  C) Geologists will measure the carbon content of Martian rocks that were transported to Earth by asteroid impacts.
  D) The Curiosity rover will measure the carbon content of rocks on Mars' surface.

Question 2

The footprints left on the moon by the Apollo astronauts will likely last for
 
  A) millions of years.
  B) no time; they were quickly erased by micrometeorites.
  C) the remaining existence of the Moon.
  D) a few decades.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Fayaz00962

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

A


penza

  • Hero Member
  • *****
  • Posts: 1,022
Reply #2 on: Jul 27, 2018
Thank you!


Fayaz00962

  • Sr. Member
  • ****
  • Posts: 330
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

The cure for trichomoniasis is easy as long as the patient does not drink alcoholic beverages for 24 hours. Just a single dose of medication is needed to rid the body of the disease. However, without proper precautions, an individual may contract the disease repeatedly. In fact, most people develop trichomoniasis again within three months of their last treatment.

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?

Your heart beats over 36 million times a year.

Inspect the site for potential veins to use and palpate to further locate a vein and test the firmne Inspect the site for potential veins to use and palpate to further locate a vein and test the firmne
Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry. Pulmonary function test: spirometry. (a) Normal respiratory volumes, as measured during spirometry.
Iron in the Sun’s Atmosphere Iron in the Sun’s Atmosphere
Temperature Profile of Earth’s Atmosphere Temperature Profile of Earth’s Atmosphere
National Results of the Scholastic Assessment Test (SAT) National Results of the Scholastic Assessment Test (SAT)
Volcanoes eject reflective aerosols into the atmosphere Volcanoes eject reflective aerosols into the atmosphere
Video: Michaelis–Menten equation & Kinetic parameters

For a complete list of videos, visit our video library