Answer:
I think the answer would be D. 
Explanation:
Maria would want to test her hypothesis with another experiment; the type listed in answer D. 
 
        
             
        
        
        
I'm not entirely sure, but I think it is B) the pulley.
        
                    
             
        
        
        
The answer is B. The reason is because in an RNA strand, A turns into U.
        
             
        
        
        
The correct answer of the given question above would be CONDENSATION. The property of water that allows it to stick to the sides of a vertical glass tube is called condensation. When you see small drops of water that form on a cold surface, this process happens because the gas cools and becomes liquid. This happening is called condensation. Hope this answer helps.