Answer:
 Since, we know that the large intestines have so many responsibilities .... The purpose of the intestines is basically to absorb water and including salts from a material, Which means it has not yet been digested as food, and also to get rid of any waste products left over, Also this is very important for the intestines to do this process. 
 
        
             
        
        
        
Hazardous substances are dangerous substances while toxins are poisonous substances. Hazardous substances may cause harm to an individuals health; they include acute toxins such as cyanide; substances harmful after repeated or prolonged exposure such as mercury and silica, among others. Toxic substances can be poisonous or cause health effects.
        
             
        
        
        
The atmosphere is a mixture because it contain many types of gases , liquids and solids.
 
        
                    
             
        
        
        
Life and death are complex things. Life is the existence of something and death is the end. They go hand in hand. Without one you cannot have the other. To live means to die and to die means you have lived. 
Hopes this helps. Add a comment if not and I will try to assist.
        
                    
             
        
        
        
I believe the answer is linear :)