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Author Question: In the process of breaking down the ozone layer, the chlorine from the CFCs acts as a ________. ... (Read 61 times)

codyclark

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In the process of breaking down the ozone layer, the chlorine from the CFCs acts as a ________.
 
  Fill in the blank(s) with correct word

Question 2

The type of galaxy where we can track its motion through the intergalactic medium is a:
 
  A) blazar.
  B) quasar.
  C) pulsar.
  D) Head-Tail Radio Galaxy.
  E) Seyfert galaxy.



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lorealeza

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Answer to Question 1

catalyst

Answer to Question 2

D




codyclark

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


rleezy04

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Reply 3 on: Yesterday
Excellent

 

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