Articulation and rhythm are the two vocal delivery elements should Adam work on before his next speech.
<h3>What is Articulation in speech delivery?</h3>
Articulation. Articulation is the process of creating vowels and consonants with our lips, mouth, tongue, and palate to create speech sounds. On a regular basis, our overall speaking skills are assessed. 
The person's voice's power is its volume, up to and including a whisper. The pace at which you speak is called pace. Pitch is the manner that your voice expresses emotion. 
Thus, Articulation and rhythm are the two vocal delivery elements should Adam work.
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something that is changing frequently
 
        
                    
             
        
        
        
Answer:  
The speaker and the neighbor repair the wall from opposite sides.
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