Answer:
Testable prediction that gives direction to research.
Explanation:
A hypothesis is an explanation that can be accepted in a provisional way, but has the objective to provide sufficient guidance for further investigation.
It is also considered testable because it can be proven right or wrong, it means it is possible to be verified.
 
        
             
        
        
        
Only commenting so the person on top gets brainlist
        
             
        
        
        
During exercise, many chemical changes occur in the body, including a drop in blood ph, which can be very serious. how is the body able to cope with such changes?
The body is able to cope with such changes because the body's metabolism becomes more active, causing the body to require more oxygen (which leads you to breath faster and deeper)
        
             
        
        
        
I believe is true
For example, the pressure of becoming an adult, the progression of each school year like harder classes and tests, etc 
You can't stay a kid forever is what most people say so it should be true