Answers created by Harini28

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• What is an atom?
  
• What is the difference between Excretion and Defecation?
  
• How would you describe the arrangement of the water molecules when liquid water evaporates?
  
• What is laughing gas called? ?
  
• True or False Non Renewable means resources that can regenerate quickly?
  
• What structures are found in plant cells that are not found in animal cells?
  
• What's the effect of concentration on density for liquids?
  
• What kind or protists causes diseases?
  
• What is oxidation and how does it result in weathering?
  
• Question #eefd5
  
• How does Brownian movement relate to the microscopic nature of cells?
  
• Explain why atoms have different isotopes. In other words, how is it that helium can exist in three different forms?
  
• What type of air mass would have the most density?
  
• How do you solve #\frac { - 2} { 3} \div 1\frac { 4} { 5}#?
  
• Question #f45e5
  
• What is common for substances that dissolve in water?