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 72 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?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Leaf surface features. Leaf surface features.
the fatty acid molecules expose the smallest possible hydrophobic surface area the fatty acid molecules expose the smallest possible hydrophobic surface area
The Venusian Surface The Venusian Surface
Average Surface Air Pressure – July Average Surface Air Pressure – July
A thin laser beam traveling in air strikes the surface of a glass plate at 41.2° with the ... A thin laser beam traveling in air strikes the surface of a glass plate at 41.2° with the ...
A satellite that is in a circular orbit 230 km above the surface of the planet Zeeman-474 has ... A satellite that is in a circular orbit 230 km above the surface of the planet Zeeman-474 has ...
Video: baroreceptors

For a complete list of videos, visit our video library