This topic contains a solution. Click here to go to the answer

Author Question: What property of a molecular cloud does not counteract gravitational contraction? A) thermal ... (Read 54 times)

TVarnum

  • Hero Member
  • *****
  • Posts: 548
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
Answer to Question 1

D

Answer to Question 2

D




TVarnum

  • Member
  • Posts: 548
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


miss.ashley

  • Member
  • Posts: 371
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

For a complete list of videos, visit our video library