What is this animal and i can answer it
        
                    
             
        
        
        
Answer:
B
Explanation:
T tubules do not generate ATPs. This is done by mitochondria. T tubules are the invagination of cell membranes into the muscle cells. They allow for rapid actuation of the action  potential by the muscle cells. They do this by synchronizing the release of calcium ions that are important in muscle contraction. 
 
        
             
        
        
        
Answer:
Boiling point.
Explanation:
This is because when water boils, it is changing from a liquid to a gas. This is a state change/physical change.
I hope I helped!