This is geography not math
        
             
        
        
        
1.) subduction 2.) deep-ocean trench 3.) B
 
        
                    
             
        
        
        
Answer:
C.  movement of the Earth’s plates
Explanation:
Volcanoes and earthquakes sometime occur in Canada's western ranges because of the movement of the Earth's plates. 
- Plate tectonics is responsible for the volcanic activities which brings magma to surface from the asthenosphere. 
- Also, earthquakes are products of plate tectonics. 
- The differential movement caused sudden breakage of the plate and releases are sudden burst of energy. 
 
        
                    
             
        
        
        
Answer:
The United States gets 81% of its total energy from oil, coal, and natural gas, all of which are fossil fuels. We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.
Explanation: