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

Author Question: What is the most likely origin of the Valles Marineris on Mars? A) it is a fissure in the surface ... (Read 82 times)

littleanan

  • Hero Member
  • *****
  • Posts: 575
on: Jul 27, 2018
What is the most likely origin of the Valles Marineris on Mars?
 
  A) it is a fissure in the surface carved out by a giant impact
  B) it is a tectonic fracture associated with the formation of the adjacent Tharsis bulge
  C) it is a huge canyon system formed by water erosion
  D) it was formed from the separation of two tectonic plates

Question 2

Central black holes can be very efficient for converting the mass-energy of infalling matter to thermal energy in the accretion disk.
 
  Roughly what percentage of the mass-energy can be converted to other forms of energy as matter falls into a black hole? A) 0.7
  B) 1 - 4
  C) 10 - 40
  D) 100


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juiceman1987

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

C


littleanan

  • Hero Member
  • *****
  • Posts: 575
Reply #2 on: Jul 27, 2018
TY


juiceman1987

  • Sr. Member
  • ****
  • Posts: 316
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

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

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Mars 3 lander on a 1972 Soviet stamp. Mars 3 lander on a 1972 Soviet stamp.
The Spectra of Stars with Different Surface Temperatures. The Spectra of Stars with Different Surface Temperatures.
Countries of Origin of Unauthorized Immigrants to the United States Countries of Origin of Unauthorized Immigrants to the United States
How to find the volume and surface area of any cylinder How to find the volume and surface area of any cylinder
Frenching a Rack: Removing fat from rack’s surface Frenching a Rack: Removing fat from rack’s surface
The xy plane is painted with a uniform surface charge density which is equal to 40 nC/m2 . ... The xy plane is painted with a uniform surface charge density which is equal to 40 nC/m2 . ...
Video: Coronary Heart Disease

For a complete list of videos, visit our video library