You are presented with the question "Formation of the Himalaya mountain range was driven by " and the following answer choices: 
- scarce resources
 - asteroid bombardment
 - volcanic eruptions
 - an external framework
 - mountain storms
 - Time and energy
 - movement
 - plate tectonics

Now knowing that the Himalayas were formed by rock folding and folded mountain ranges are formed by plate tectonics, choose the best answer.


 

        plate tectonics 