Answer is :c) Gas(hydrogen sulfide)
        
             
        
        
        
Crystals of hydrated magnesium sulfate used as a purgative or for other medicinal use
It on googIe 
Hope that helps
        
                    
             
        
        
        
Answer:
The individual substances in a mixture can be separated using different methods, depending on the type of mixture. These methods include filtration, evaporation, distillation and chromatography.
Explanation:
 
        
             
        
        
        
Would all have the same ratio of elements.
        
                    
             
        
        
        
Answer:
The stomach
Explanation:
In the stomach, physical digestion occurs because of peristaltic contractions (wave like contraction in the lean muscle) and chemical digestion occurs because of stomach acid, hydrochloric acid, breaking down your food.