Answers edited by Karen L.

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• How many trophic levels are in a food chain?
  
• When you are sleeping are you unconscious or subconscious?
  
• What causes Anxiety disorder and OCD?
  
• What is a Greek Tragedy?
  
• Together, Xavier, Yolanda, and Zachary have $4.44. If each person has the same amount, how much money does each person have?
  
• Why is punctuation so important? Are there any cases where it is not needed?
  
• What is the volume of a cube with a side length if 2.1 centimeters?