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Author Question: The element erupting from the volcanoes of Io is ________. Fill in the blank(s) with correct ... (Read 85 times)

formula1

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on: Jul 27, 2018
The element erupting from the volcanoes of Io is ________.
 
  Fill in the blank(s) with correct word

Question 2

Which of these is true of planetary nebulae?
 
  A) They are the material which causes the eclipses in eclipsing binary systems.
  B) They are rings of material around protostars that will accrete into planets in time.
  C) They are the envelopes that form when blue stragglers merge.
  D) They are expelled by the most massive stars in their final stages before supernova.
  E) They are ejected envelopes surrounding a highly evolved low-mass star.


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Dominic

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Reply #1 on: Jul 27, 2018
Answer to Question 1

sulfur

Answer to Question 2

E


formula1

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Reply 2 on: Jul 27, 2018
Gracias!

shewald78

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Reply 3 on: Yesterday
Excellent

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