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Author Question: Massive stars form cores of ________ before exploding as Type II supernovae. Fill in the blank(s) ... (Read 125 times)

Beheh

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Massive stars form cores of ________ before exploding as Type II supernovae.
 
  Fill in the blank(s) with correct word

Question 2

Of all the active galactic nuclei, the ________ is the most energetic.
 
  A) quasar
  B) giant elliptical
  C) radio lobe galaxy
  D) blazar
  E) Seyfert



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Moriaki

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Answer to Question 1

iron

Answer to Question 2

A





 

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