Answer:
it's d 
Explanation:
have you ever baked a cake? Everytime you put cake batter into the oven, it takes a few hours for it to start turning into cake. 
 
        
                    
             
        
        
        
Temperature increases as depth increases.
        
             
        
        
        
Answer:
The ratio is 9.95
Solution:
As per the question:
Amplitude, 
Wavelength, 
Now,
To calculate the ratio of the maximum particle speed to the speed of the wave:
For the maximum speed of the particle:

where
 = angular speed of the particle
 = angular speed of the particle
Thus

Now, 
The wave speed is given by:

Now,
The ratio is given by:


 
        
             
        
        
        
Answer:
4=Conduction by convection by radiation. 
Explanation:
Hope it will help you! It may be short but I don't know how to write it in blank aafai milayera lekha Hai blanks ma