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Author Question: In a still room, cigar smoke sometimes rises only partway to the ceiling because ________. A) it ... (Read 87 times)

awywial

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In a still room, cigar smoke sometimes rises only partway to the ceiling because ________.
 
  A) it loses momentum
  B) it encounters warm air
  C) of the weight of the particles that make up the smoke
  D) it encounters cool air

Question 2

The scientist credited with developing the current mathematical model of the atom is ________.
 
  A) Bohr
  B) Schrdinger
  C) Planck
  D) Rutherford



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chloejackso

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Answer to Question 1

B

Answer to Question 2

B




awywial

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Reply 2 on: Aug 27, 2018
Wow, this really help


raili21

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Reply 3 on: Yesterday
Excellent

 

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