A fuse melts to protect a circuit.
        
             
        
        
        
Answer:
2, High mass stars.
Add-on:
i hope this helped at all. im sorry if its incorrect.
 
        
             
        
        
        
Answer:
D
Explanation:
because it is the only one that has something to do with heat keyword would be boiling
 
        
             
        
        
        
Double displacement...I think
        
             
        
        
        
The answer is shown below:
 "The diurnal motion" of the stars is defined as the apparent daily motion of stars around the Earth.  The cause for this "apparent motion of stars" was proposed by Heraclides (who was a Greek philosopher and astronomer). He afirmed that  this was created by the Earth's rotation on its axis, which is completed in 23 hours, 56 minutes and 4.09 seconds.