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Author Question: Neutral hydrogen may be detected between the stars because it emits ________. Fill in the ... (Read 19 times)

a0266361136

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on: Jul 27, 2018
Neutral hydrogen may be detected between the stars because it emits ________.
 
  Fill in the blank(s) with correct word

Question 2

The atmospheric pressure on Venus:
 
  A) shows an extreme change with the seasons.
  B) is much lower than on Earth.
  C) is about the same as on Mercury.
  D) is much higher than on Earth.
  E) causes variations in surface temperature.


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coyin

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

21 cm radiation

Answer to Question 2

D


a0266361136

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Reply 2 on: Jul 27, 2018
:D TYSM

marict

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Reply 3 on: Yesterday
Wow, this really help

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