Answer:
The answer is B: to Amplify the sound 
 
        
                    
             
        
        
        
ANS : 313℃
You need to use K in this.
To convert ℃ to Kelvin (K), add 273.15 to ℃.
 
        
        
        
Answer = 6.24x10^18 x ((2 x 3600) + (47 x 60) + 10)
        
             
        
        
        
Explanation:
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