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Home Q & A Board Science-Related Homework Help Physics Astronomy
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qwerqwerqer qwerqwerqer
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6 years ago
The disk of the galaxy is older than the halo.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

What evidence indicates protostars have formed?
 
  a. jets b. bipolar outflows
  c. protostellar disks d. All of the other choices are correct.

Question 3

Old stars are poor in heavy elements because there were very few previous generations of stars before the old stars formed.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 4

Which of the following energy transport processes involves mass motions of material?
 
  a. radiation b. conduction
  c. convection d. All of the other choices are correct.
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romanknromankn
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#1
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6 years ago
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qwerqwerqer Author
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#2
6 years ago
Thanks for your help <3
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