The propagation velocity of the waves depends on density and elasticity of the medium. Velocity tends to increase with depth and ranges from approximately 2 to 8 km/s in the Earth's crust up to 13 km/s in the deep mantle.
        
             
        
        
        
Potential energy means it’s not moving It’s standing still, for example a dog sitting isn’t potential energy, but kinetic energy is moving around so a dog running would be kinetic energy
 
        
             
        
        
        
Saliva has a pH normal range of 6.2-7.6 with 6.7 being the average pH
 
        
             
        
        
        
<span>He is most likely m</span>ildly obese and somewhat hypertensive.
        
             
        
        
        
I know the answer the answer to that is the answer will be trace fossil