Answer:
1. D. Burning Coal and Natural Gas
2. D. Larger; Louder
3. D. It has a lower pitch and is quieter than the first note.
Explanation:
Not 100% certain of number 3, but I'm pretty certain it is correct. 1 and 2 are for sure correct.
 
        
             
        
        
        
The first one because we evolved through using those structures like tail bones in humans.
Also clean up the Pepsi can and bottle in the background what are me monkeys?
        
                    
             
        
        
        
Answer:
I believe by increasing the cell (the amount of cells)
Explanation:
 
        
             
        
        
        
Um D? A fold?? If its right mark as brainleist please
 
        
             
        
        
        
Seismometers and Seismographs