Continental drift is destroying the Earth's crust. Because the continents are slowly moving the earth's crust is stating to crack or create volcano's.
        
             
        
        
        
What kind of food should eat limited quantities?
Fats
        
             
        
        
        
Reservoir is the answer to your question. 
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The structure that serves as the cell's boundaries from its environment is known as the CELL MEMBRANE.  It keeps the bad things from coming in, and releases waste out into the environment.
<span>Answer: cell membrane</span>