Answers created by Taeng B.

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• Question #e467e
  
• Why does the green precipitate obtained from an iron (II) salt slowly turn brown when in contact with air?
  
• Question #d6b8c
  
• Question #4b6f5
  
• What fraction is between #1/3# and #1/2# ?
  
• What are the main effects of burning fossil fuels?
  
• Davey reads 45 pages in an hour. Sally reads 55 pages per hour. If Davey begins to read at 2 PM and Sally starts to read at 2:40 PM, at what time will they be reading the exact same page?
  
• Question #905da
  
• Why do some chemistry questions say "assume there is excess [x]"?
  
• What is the answer?
  
• What is the answer?
  
• Question #2065a
  
• Question #924b9
  
• What are the differences between red and white blood cells?
  
• Question #0b96e
  
• Question #6c11e