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• What is the most recent galactic cannibalism event on record? Is it possible this could occur between Andromeda and the Milky Way?
  
• What are the beams light we see around black holes?
  
• How does the rotation of the Earth cause day and night?
  
• What does blood regulate?
  
• What are the products of photosynthesis other than glucose and oxygen ?
  
• Why do a person's muscles become sore after exercise?
  
• How does genetics relate to meiosis?
  
• How do you evaluate #86+ - 67+ 4+ 68#?
  
• How do you convert 8 radians into degrees?
  
• What is warm dense matter?
  
• Is the universe in motion or it is at rest??
  
• How are meteoroids, meteors and meteorite related?
  
• What is the most common colour in the universe?
  
• What is the relationship of solar system in to the earth and space?
  
• How does the axial tilt affect life on earth?