Answer:
plant cells have a rigid cell wall that helps it keep shape and animal cells don't
 
        
                    
             
        
        
        
Answer:
  if a molecule is too large it cannot pass. also it depends on the concentration of a specific substance inside the cell. similarly, if a molecule is polar it cannot penetrate the phospholipid bilayer. 
there are proteins that work as channels and pumps that allow these molecules to pass
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Answer:
where is the sping neap tide worksheet
 
        
                    
             
        
        
        
Answer:
gamma rays hope this helps 
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Answer: flooding, high winds, Avalanches, earthquakes
Explanation:
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