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 26 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
Thanks for the timely response, appreciate it

mcarey591

  • Member
  • Posts: 365
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

The cladistic approach from molecular genetic data The cladistic approach from molecular genetic data
Decremental property of graded potentials. Decremental property of graded potentials.
Distribution of Thunderstorms: Detailed data on cloud-to-ground lightning flashes have been ... Distribution of Thunderstorms: Detailed data on cloud-to-ground lightning flashes have been ...
A giant dust cloud about to descend on a farm in Kansas during the 1930s A giant dust cloud about to descend on a farm in Kansas during the 1930s
Three metabolic pathways that muscles use to obtain the ATP that fuels their contraction. Three metabolic pathways that muscles use to obtain the ATP that fuels their contraction.
Molecular model of homologous recombination in meiosis Molecular model of homologous recombination in meiosis
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library