Answer:
Gas pressure is caused when the gas particles hit the walls of their container. The more often the particles hit the walls, and the faster they are moving when they do this, the higher the pressure. This is why the pressure in a tyre or balloon goes up when more air is pumped in
Explanation:
 
        
             
        
        
        
Answer:
 the new concentration is 0.60M
Explanation:
The computation of the new concentration is shown below;
We know that 
M1V1=M2V2
(3.0M) (10.0 mL) = M2 (50.0mL)
30 = M2 (50.0mL)
So, M2 = 0.60 M
Hence, the new concentration is 0.60M
The same is considered and relevant 
 
        
             
        
        
        
i think the answer is C but don't take my word for it
 
        
             
        
        
        
The answer to your question is false, boiling happens below the surface of a substance.