Answer:
As the frequency decreases, you hear a lower pitch
Explanation:
The lower the frequency, the lower the pitch.
 
        
                    
             
        
        
        
Called uli ! 
lmk if this helped :)
        
             
        
        
        
<span>The houses they occupied were made of bricks and had no foundations. The bricks were made of mudand chopped straw, molded and dried in the hot Egyptian sun.</span>
        
                    
             
        
        
        
The answer is A. They were his siblings. Hope that helps!!