You are presented with the question "What in stars cause stars to produce bright glares" and the following answer choices: 
- energy of moving objects
 - nuclear reactions
 - direct energy
 - shining suns
 - bright activity
 - Chemical energy
 - moving moons
 - heat energy

Now knowing that nuclear reactions in stars causes stars to produce light and an intense bright light produces a glare, choose the best answer.


 

  nuclear reactions       