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

Author Question: What property of a molecular cloud does not counteract gravitational contraction? A) thermal ... (Read 59 times)

TVarnum

  • Hero Member
  • *****
  • Posts: 548
on: Jul 27, 2018
What property of a molecular cloud does not counteract gravitational contraction?
 
  A) thermal pressure
  B) turbulent motions
  C) magnetic fields
  D) fragmentation

Question 2

What is characteristic of a main sequence star?
 
  A) It has a mass less than the Sun's.
  B) It has rapid rotation and a strong stellar wind.
  C) Nuclear fusion in the core varies due to the amount of gravitational contraction that occurs and which heavy elements are produced.
  D) The rate of nuclear energy generated in the hydrogen to helium fusing core equals the rate radiated from the surface.
  E) All of the above are correct.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

memslove

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

D


TVarnum

  • Member
  • Posts: 548
Reply 2 on: Jul 27, 2018
Wow, this really help

amit

  • Member
  • Posts: 364
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Electron atomic and molecular orbitals Electron atomic and molecular orbitals
ATP synthase, a molecular mill. ATP synthase, a molecular mill.
A 1998 false-colour near-infrared image of Uranus showing cloud bands, rings, and moons obtained by A 1998 false-colour near-infrared image of Uranus showing cloud bands, rings, and moons obtained by
Temperature profile of the Uranian troposphere and lower stratosphere. Cloud and haze layers are als Temperature profile of the Uranian troposphere and lower stratosphere. Cloud and haze layers are als
Effects of Cloud Cover and Wind Effects of Cloud Cover and Wind
Ethanol has the molecular formula C2H6O. Which ball and stick model shown above represents ... Ethanol has the molecular formula C2H6O. Which ball and stick model shown above represents ...
Video: Atrophy

For a complete list of videos, visit our video library