Answer:
we measure sound intensity in <em><u>D</u></em><em><u>ecibels</u></em>.
 
        
                    
             
        
        
        
Answer:
9.875
Explanation:
w=f×s 
395=40×s 
make s the subject of the formula 
s=395/40
=9.875
 
        
             
        
        
        
 
concave <span>ray diagrams were constructed in order to determine the general location, size, orientation, and type of image formed by concave mirrors. Perhaps you noticed that there is a definite relationship between the image characteristics and the location where an object placed in front of a concave mirror. but, convex</span><span>ray diagrams were constructed in order to determine the location, size, orientation, and type of image formed by concave mirrors. The ray diagram constructed earlier for a convex mirror revealed that the image of the object was virtual, upright, reduced in size and located behind the mirror. </span>
        
             
        
        
        
Evaporation (or another word to use is water vapor.)