All food chain in an ecosystem that are connected to each other forms a food web.... 
Therefore the answer is food web
 
        
                    
             
        
        
        
Our bodies digest the food we eat by mixing it with fluids (acids and enzymes) in the stomach. When the stomach digests food, the carbohydrate (sugars and starches) in the food breaks down into another type of sugar, called glucose.
 
        
             
        
        
        
Convert mols to grams by multiplying grams of tin by the number of mols. 
There are 119 grams per mol
119 x 11.8 = 1404 grams
        
             
        
        
        
Answer:
 B. Water will freeze
<em>because</em><em> </em><em>the</em><em> </em><em>latent</em><em> </em><em>heat</em><em> </em><em>of</em><em> </em><em>vapourization</em><em> </em><em>decreases</em><em>.</em>