1.317 × 10^25 lbs i believe.
 
        
                    
             
        
        
        
The anser is D) Plastids in roots cells are large and designed to store water for later use.
 
        
                    
             
        
        
        
Oxygen has a partial negative charge, whereas hydrogen had a partial positive charge. 
This means that water molecules are polar and can be used to dissolve a lot of chemicals, that's why water is such a popular solvent.
        
             
        
        
        
On a giant pasteboard with pictures, and explanation on what each type of engineer.