Heat energy is when heating comes and temputure is when you measure hot or cold in climates or I think
        
             
        
        
        
Answer:
Seismic waves travel faster in denser rocks; temperature tends to lower the speed of seismic waves; and pressure tends to increases the speed. Caution: The speed of a seismic wave generally increases with depth, despite the fact that the increase of temperature with depth works to lower the wave velocity.
this helps scientists because it shows how fast a earthquake is moving 
Explanation: