Answer:
A. Has the herbicide caused damage to the corn?
 
        
             
        
        
        
Answer:
b
Explanation:
due to soil erosion ,soil loses its mineral components as they get washed away during a time of flood ,thereby it can determine the minerals present in the soil .
 
        
             
        
        
        
The answer is; catalyst
These proteins are called enzymes. They work by lowering the activation energy of reactants and hence speed up the biochemical reaction. They are not affected in the process hence one enzyme molecule can catalyze many reactions. An example of such an enzyme is carbonic anhydrase that enables carbon dioxide to dissolve in blood plasma as carbonic acid. 
 
        
             
        
        
        
Answer:
because they have to be seperated
Explanation:
 
        
             
        
        
        
A) Net movement in osmosis is from areas of higher water concentration to areas of lower water concentration. Net movement in diffusion occurs from areas of higher solute concentration to areas of lower solute concentration.
This happens so that both solution have roughly the same concentration