The type of conversion that is taking place when natural gas is
burned to heat water is referred to as chemical conversion. In this
conversion thermal energy is produced.
        
             
        
        
        
Answer:
Slightly above 20°c
Explanation:
The resistivity of silver is 1.59 x 10-8Ωm{ as discovered by experiment from scientist}
The resistivity of tungsten at 20°c is 5.6x10-8Ωm
We see the value is just an approximation of 4 times not exactly.
 
        
             
        
        
        
I have the same thing for homework
        
                    
             
        
        
        
<span>B.Extrinsic motivation </span>