Answer:
Check explanation
Explanation:
Gold - Au (Aurum)
Mercury - Hg (Hydrargyrum) 
Copper - Cu (Cuprum) 
Iron - Fe (Ferrum)
Lead - Pb (Plumbum)
These elements in the periodic table are some of the elements represented by letters not in line with their names.
This is because, these elements were known in ancient times and therefore, they are represented by letters from their ancient names.
 
        
             
        
        
        
Answer:
a new chromebook for you and you will get to know the other one that 
 
        
             
        
        
        
Run inside if you are outdoors
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Answer:

Explanation:
From the question we are told that:
Sound level intensity
  
Generally the equation for  intensity level  is mathematically given by
  
Where
  I= Intensity measured
  
  
  
  
  
  
 
        
             
        
        
        
Answer:
Because the disturbances are in opposite directions for this superposition, the resulting amplitude is zero for pure destructive interference
Explanation: