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

Author Question: We should expect galaxies to collide fairly often because a. they are large with respect to their ... (Read 38 times)

Wadzanai

  • Hero Member
  • *****
  • Posts: 528
We should expect galaxies to collide fairly often because
 
  a. they are large with respect to their separation distances.
  b. galaxies contain large amounts of neutral hydrogen.
  c. galaxies occur in clusters.
  d. they are large with respect to their separation distances and galaxies occur in clusters.
  e. None of the other choices are correct.

Question 2

How long a star can stay on the main sequence depends upon its size.
 
  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

bigsis44

  • Sr. Member
  • ****
  • Posts: 317
Answer to Question 1

d

Answer to Question 2

False




Wadzanai

  • Member
  • Posts: 528
Reply 2 on: Jul 27, 2018
:D TYSM


cassie_ragen

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Excellent

 

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

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

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

For a complete list of videos, visit our video library