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 88 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?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

A biofilm composed of a community of microorganisms glued by mucilage to a surface. A biofilm composed of a community of microorganisms glued by mucilage to a surface.
lower surface of Arabidopsis thaliana leaf, showing a trichome lower surface of Arabidopsis thaliana leaf, showing a trichome
Common skin signs are often evidence of an illness or disorder. A fissure is a crack-like sore or ... Common skin signs are often evidence of an illness or disorder. A fissure is a crack-like sore or ...
Surface impoundments Surface impoundments
Surface Anatomy of the Nose Surface Anatomy of the Nose
A sphere, 0.30 m in radius, has a surface emissivity of 0.48 and is at a temp A sphere, 0.30 m in radius, has a surface emissivity of 0.48 and is at a temp
Video: Facilitated Diffusion - Glucose transport

For a complete list of videos, visit our video library