Answers created by Heera

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• How do carbon and hydrogen bond?
  
• How are leaves the excretory organs of plants?
  
• What is the name given to a method of producing genetically identical offspring? Thank you
  
• What are the 4 differences between normal cells and cancer cells?
  
• Suggest a way to increase the amount of oxygen in the atmosphere?
  
• How do you solve #2x+7= -17#?
  
• Explain effect of temprature on change of state of matter?