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

Author Question: Most of the mass of a galaxy is contained in the a. massive O and B stars in the galaxy. b. H I ... (Read 85 times)

jc611

  • Hero Member
  • *****
  • Posts: 552
Most of the mass of a galaxy is contained in the
 
  a. massive O and B stars in the galaxy.
  b. H I regions of the galaxy.
  c. H II regions of the galaxy.
  d. dark matter of the galaxy.
  e. disk of the galaxy.

Question 2

Some massive stars only live a few million years.
 
  a. True
  b. False
  Indicate whether the statement is true or false



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blazinlyss

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

d

Answer to Question 2

True





 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

For a complete list of videos, visit our video library