A. is for your answer help this helps
        
             
        
        
        
Answer:
Explanation:
The pyruvic acid is oxidised to CO₂, ATP, and NADH₂ and FADH₂ 
 
        
             
        
        
        
Answer:
This will most likely accelerate the process. So the answer is 1.
 
        
             
        
        
        
In observing, we have our 5 senses (smell, taste, touch, see, hear) meaning scientists uses their 5 senses to be able to have a prediction or a hypothesis about the problem.