Explanation:
carbohydrate fermentation, methyl red, citric acid utilization, and hydrogen sulfide production 
 
        
             
        
        
        
a slightly tremulous effect imparted to vocal or instrumental tone for added warmth and expressiveness by slight and rapid variations in pitch.
        
             
        
        
        
High pitch sounds make it close to oval window. low pitch further up basilar membrane near apex of cochlea<span>.</span>
        
             
        
        
        
Answer:
the temperature increases
Explanation:
like most chemical reactions, the rate of an enzyme-catalyzed reaction increases as the temperature is raised