Answer:
B- The speed of sound will increase due to the increasing density of seawater.
Explanation:
If the temperature of seawater decreases its density increases, but only to a point
 
        
             
        
        
        
Answer:
B. Major types of fossil fuels: coal, oil and natural gas
Explanation:
 
        
                    
             
        
        
        
Crystalline silica is a natural compound in the earth's crust and is a basic component of sand and granite. Silicosis is an incurable disease of the lungs caused by breathing crystalline silica dust. This dust can cause scar tissue to form in the lungs.                    
        
                    
             
        
        
        
Answer:
I believe it is long term.
Explanation:
did it in edge 2020