Answer:
The answer is d i think so yea
Explanation:
hope u hae  a really good  day
 
        
             
        
        
        
Since the frequency of sound in a medium is constant, therefore, the concert-goers would hear the low notes and high notes at the same time.
<h3>What is a dispersive medium?</h3>
A dispersive medium is a medium which spreads out or disperses a substance passing through it. 
Since CO2 is a dispersive medium, it means sound waves passing through it would be dispersed based on wavelength. 
The note of a sound depends on its frequency, the higher the frequency, the higher the note.
Frequency of sound is constant, therefore, the concert-goers would hear the low notes and high notes at the same time.
Learn more about dispersion of sound at: brainly.com/question/781734
 
        
             
        
        
        
Answer:
i think it is 40 kilometers in the positive direction... if not im sorry 
Explanation: