Answer:
A sample of water boils and releases gas.
Explanation:
Physical change is a change where no any chemical reaction takes place only the chemical composition of matter changes. It is a reversible process . 
Burning of newspaper, rusting of iron, plant changes carbon dioxide and water into sugar (photosynthesis) are  chemical reaction and irreversible process.
 
        
                    
             
        
        
        
AB(aq)+C  >A +CB(aq)
hope this helps
        
             
        
        
        
Answer:
Explanation:
The river bank can expand due to the water breaking apart and move for sediment.
 
        
             
        
        
        
well according to what i know....headlights only let you see about 350 feet ahead...hope it helps :)